diff --git a/project/assets/tilemap/tileset.tres b/project/assets/tilemap/tileset.tres
index 4dfaa11..f399f2b 100644
--- a/project/assets/tilemap/tileset.tres
+++ b/project/assets/tilemap/tileset.tres
@@ -16,16 +16,22 @@ texture = ExtResource("1_ukrsa")
 3:0/0/custom_data_0 = true
 3:0/0/custom_data_2 = 1
 3:0/8 = 8
+3:0/8/custom_data_0 = true
 1:2/0 = 0
-3:2/next_alternative_id = 5
+3:2/next_alternative_id = 7
 3:2/0 = 0
+3:2/0/custom_data_0 = true
 3:2/4 = 4
 0:0/0 = 0
 0:0/0/custom_data_0 = true
 0:0/0/custom_data_2 = 4
-3:1/next_alternative_id = 3
+3:1/next_alternative_id = 4
 3:1/0 = 0
+3:1/0/custom_data_0 = true
 3:1/2 = 2
+3:1/2/custom_data_0 = true
+5:3/0 = 0
+5:3/0/custom_data_0 = true
 
 [sub_resource type="TileSetAtlasSource" id="TileSetAtlasSource_x77e4"]
 texture = ExtResource("2_15xge")
diff --git a/project/main-scenes/island.tscn b/project/main-scenes/island.tscn
index 5f976ff..487d6a3 100644
--- a/project/main-scenes/island.tscn
+++ b/project/main-scenes/island.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=26 format=4 uid="uid://b88asko1ugyd2"]
+[gd_scene load_steps=35 format=4 uid="uid://b88asko1ugyd2"]
 
 [ext_resource type="Script" path="res://scripts/global/GameManager.gd" id="1_eeg2d"]
 [ext_resource type="Script" path="res://scripts/tilemap/World.gd" id="1_k0rw8"]
@@ -25,6 +25,15 @@
 [ext_resource type="Script" path="res://scripts/player/tree/impl/game/inventory/TaskPickupStick.gd" id="20_uw2ce"]
 [ext_resource type="Script" path="res://scripts/player/tree/impl/game/camp/TaskFindCamp.gd" id="21_cseat"]
 [ext_resource type="Script" path="res://scripts/player/tree/impl/game/critical_survival/TaskFindClosestWarmTile.gd" id="21_np756"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/game/boat/TaskCheckBoatCompleted.gd" id="25_krdcp"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/game/inventory/TaskInventoryContainsBoatPart.gd" id="25_pgpdv"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/game/inventory/TaskInventoryContainsBoat.gd" id="25_vi38g"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/game/boat/TaskGoToBoatLocation.gd" id="26_1saby"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/game/boat/TaskDeliverBoatPart.gd" id="26_4pry2"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/game/boat/TaskFindClosestBoatPart.gd" id="26_043la"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/game/inventory/TaskPickupBoatPart.gd" id="26_hx2yd"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/game/boat/TaskGoToBoatLeaveLocation.gd" id="26_vy1mu"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/game/inventory/TaskPickupBoat.gd" id="27_tmoaj"]
 
 [node name="Island-scene" type="Node2D"]
 script = ExtResource("1_eeg2d")
@@ -140,7 +149,7 @@ tile_map_data = PackedByteArray("AAAOAAkAAQACAAAAAAANAAkAAQACAAAAAAANAAoAAQACAAA
 tile_set = ExtResource("1_vlccq")
 
 [node name="InteractiveObjectsLayer" type="TileMapLayer" parent="Tileset"]
-tile_map_data = PackedByteArray("AAAKABkAAQAAAAQAAAAUAAYAAQADAAEAAAAXAAYAAQADAAAAAAAJAAkAAQADAAEAAAAFAAgAAQADAAEAAAAFAAwAAQADAAEAAAAJAAwAAQADAAEAAAAYABAAAQACAAQAAAARABEAAQAGAAIAAAAQABEAAQAGAAEAAAAcABUAAQABAAEAAABCACMAAQACAAEAAABdAAkAAQACAAIAAABXADMAAQABAAIAAAA7ADUAAQADAAIAAAA8AAQAAQAEAAIAAAAPAAkAAQAEAAAAAAA=")
+tile_map_data = PackedByteArray("AAAUAAYAAQADAAEAAAAXAAYAAQADAAAAAAAJAAkAAQADAAEAAAAFAAgAAQADAAEAAAAFAAwAAQADAAEAAAAJAAwAAQADAAEAAAARABEAAQAGAAIAAAAQABEAAQAGAAEAAAAcABUAAQABAAEAAABCACMAAQACAAEAAABdAAkAAQACAAIAAABXADMAAQABAAIAAAA7ADUAAQADAAIAAAA8AAQAAQAEAAIAAAAPAAkAAQAEAAAAAAAVABQAAQAEAAIAAAANABMAAQAAAAQAAAACACAAAQACAAQAABADAB8AAAAFAAMAAAACAB8AAAAFAAMAAAABAB8AAAAFAAMAAAADAB4AAAAFAAMAAAACAB4AAAAFAAMAAAABAB4AAAAFAAMAAAA=")
 tile_set = ExtResource("1_vlccq")
 
 [node name="PlayerLayer" type="TileMapLayer" parent="Tileset"]
@@ -148,7 +157,7 @@ tile_map_data = PackedByteArray("AAAQAA4AAwAAAAAAAAA=")
 tile_set = ExtResource("1_vlccq")
 
 [node name="TemperatureLayer" type="TileMapLayer" parent="Tileset"]
-tile_map_data = PackedByteArray("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")
+tile_map_data = PackedByteArray("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")
 tile_set = ExtResource("1_vlccq")
 
 [node name="NavigationVisualization" type="TileMapLayer" parent="Tileset"]
@@ -244,6 +253,63 @@ script = ExtResource("21_cseat")
 [node name="GoToWhileRunningSuccessStop" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sq_Temperature/sl_PickMostRelevantTemperatureRemediation/sq_GoBackToCamp"]
 script = ExtResource("10_4v1m1")
 
+[node name="sl_Boat" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival"]
+script = ExtResource("7_1jajd")
+
+[node name="sq_BoatLeave" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat"]
+script = ExtResource("9_i67mw")
+
+[node name="TaskInventoryContainsBoat" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_BoatLeave"]
+script = ExtResource("25_vi38g")
+
+[node name="TaskGoToBoatLeaveLocation" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_BoatLeave"]
+script = ExtResource("26_vy1mu")
+
+[node name="GoToWhileRunningSuccessStop" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_BoatLeave"]
+script = ExtResource("10_4v1m1")
+
+[node name="sq_BuildBoat" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat"]
+script = ExtResource("9_i67mw")
+
+[node name="TaskCheckBoatCompleted" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_BuildBoat"]
+script = ExtResource("25_krdcp")
+
+[node name="TaskGoToBoatLocation" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_BuildBoat"]
+script = ExtResource("26_1saby")
+
+[node name="GoToWhileRunningSuccessStop" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_BuildBoat"]
+script = ExtResource("10_4v1m1")
+
+[node name="TaskPickupBoat" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_BuildBoat"]
+script = ExtResource("27_tmoaj")
+
+[node name="sq_DeliverBoatPart" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat"]
+script = ExtResource("9_i67mw")
+
+[node name="TaskInventoryContainsBoatPart" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_DeliverBoatPart"]
+script = ExtResource("25_pgpdv")
+
+[node name="TaskGoToBoatLocation" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_DeliverBoatPart"]
+script = ExtResource("26_1saby")
+
+[node name="GoToWhileRunningSuccessStop" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_DeliverBoatPart"]
+script = ExtResource("10_4v1m1")
+
+[node name="TaskDeliverBoatPart" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_DeliverBoatPart"]
+script = ExtResource("26_4pry2")
+
+[node name="sq_PickUpBoatPart" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat"]
+script = ExtResource("9_i67mw")
+
+[node name="TaskFindClosestBoatPart" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_PickUpBoatPart"]
+script = ExtResource("26_043la")
+
+[node name="GoToWhileRunningSuccessStop" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_PickUpBoatPart"]
+script = ExtResource("10_4v1m1")
+
+[node name="TaskPickupBoatPart" type="Node" parent="PlayerManager/BehaviorTree/sl_Root/sl_CriticalSurvival/sl_Boat/sq_PickUpBoatPart"]
+script = ExtResource("26_hx2yd")
+
 [node name="WalkUpToMouse" type="Node" parent="PlayerManager/BehaviorTree/sl_Root"]
 script = ExtResource("8_s6mqc")
 
diff --git a/project/scripts/global/EventsTracker.gd b/project/scripts/global/EventsTracker.gd
index 238fbca..965748d 100644
--- a/project/scripts/global/EventsTracker.gd
+++ b/project/scripts/global/EventsTracker.gd
@@ -8,6 +8,8 @@ enum Event {
     CAMP_ADDED_ITEM,
     CAMP_TAKEN_ITEM,
     CAMP_TAKE_ITEM_FAILED,
+    CAMP_BOAT_PART_DELIVERED,
+    CAMP_BOAT_COMPLETE,
     SLEEP,
     PLAYER_PICKED_UP_ITEM,
     PLAYER_DROPPED_ITEM,
@@ -60,11 +62,17 @@ static func populate_visual_log_create_label(event: TrackedEvent, container: Con
     elif event_id == Event.SLEEP:
         text = "Player slept"
     elif event_id == Event.PLAYER_PICKED_UP_ITEM:
-        text = "took"
+        text = "Took"
     elif event_id == Event.PLAYER_DROPPED_ITEM:
-        text = "dropped"
+        text = "Dropped"
     elif event_id == Event.PLAYER_USED_ITEM:
-        text = "used"
+        text = "Used"
+    elif event_id == Event.CAMP_BOAT_PART_DELIVERED:
+        text = "Boat construction"
+    elif event_id == Event.CAMP_BOAT_COMPLETE:
+        text = "Boat complete"
+    else:
+        text = "Something happened..."
 
     var event_label: Label = Label.new()
     event_label.text = text
diff --git a/project/scripts/global/GameManager.gd b/project/scripts/global/GameManager.gd
index f5f2264..18890d8 100644
--- a/project/scripts/global/GameManager.gd
+++ b/project/scripts/global/GameManager.gd
@@ -39,7 +39,9 @@ func _process(delta: float) -> void:
         world.camp_manager.sleep_effect()
         world.camp_manager.campfire_extinguish()
     if Input.is_action_just_pressed("force_game_tick"):
+        Task.print_behavior_tree_evaluation = true
         _on_game_tick_timeout()
+        Task.print_behavior_tree_evaluation = false
     if Input.is_action_pressed("force_game_tick_fast"):
         _on_game_tick_timeout()
     if Input.is_action_just_pressed("key_6"):
@@ -53,7 +55,7 @@ func player_health_depleted():
 
 func _on_game_tick_timeout() -> void:
     var timer_on_game_tick_timeout: PerformanceTimer = PerformanceTimer.new()
-    timer_on_game_tick_timeout.display_name = "game tick duration"
+    timer_on_game_tick_timeout.display_name = "frame"
 
     tilemap_navigation.game_tick_start()
     world.game_tick_start()
diff --git a/project/scripts/player/PlayerManager.gd b/project/scripts/player/PlayerManager.gd
index 33928fa..96352f7 100644
--- a/project/scripts/player/PlayerManager.gd
+++ b/project/scripts/player/PlayerManager.gd
@@ -33,12 +33,12 @@ var temperature_buff_timer: int = 0
 var temperature_timer: int      = 0
 var health: int                 = max_health
 
-#
 var inventory_slot: Vector2i = tilemap_types.EMPTY:
     set(value):
         inventory_slot = value
         update_board()
 
+var player_memory: Dictionary = {}
 
 func _ready() -> void:
     call_deferred("defer_ready")
@@ -90,13 +90,15 @@ func pick_up_item(tilemap_pos: Vector2i) -> void:
 
     var pick_up_item_type: Vector2i = game_manager.world.tilemap_interactive.tilemap.get_cell_atlas_coords(tilemap_pos)
 
-    # check if tile will transform into another tile upon pickup
+    # check if inventory contains item that needs to be transformed on dropping
+    # this should never be the case, as the pick up item operation should already reflect this transformation
     var tile_drop_item: Vector2i = inventory_slot
     if tile_drop_item == tilemap_types.OBJECT_I_FILLED_BUSH:
         tile_drop_item = tilemap_types.OBJECT_I_BERRY
     elif tile_drop_item == tilemap_types.OBJECT_I_TREE_FULL:
         tile_drop_item = tilemap_types.OBJECT_I_STICK
 
+    # check if tile will transform into another tile upon pickup
     var tile_after_pickup_transform = null
     if pick_up_item_type == tilemap_types.OBJECT_I_FILLED_BUSH:
         tile_after_pickup_transform = tilemap_types.OBJECT_I_EMPTY_BUSH
@@ -104,7 +106,6 @@ func pick_up_item(tilemap_pos: Vector2i) -> void:
     elif pick_up_item_type == tilemap_types.OBJECT_I_TREE_FULL:
         tile_after_pickup_transform = tilemap_types.OBJECT_I_TREE_CUT
         pick_up_item_type = tilemap_types.OBJECT_I_STICK
-        tile_drop_item = tilemap_types.OBJECT_I_STICK
 
     # check if the inventory slot is empty
     if inventory_slot == tilemap_types.EMPTY:
@@ -233,6 +234,7 @@ func tick_handle_food():
 
 func game_tick() -> void:
     behavior_tree.game_tick()
+    StepVisualization.add_circle_tileset(board_position, view_distance, StepVisualization.CircleType.PLAYER_VIEW)
 
     tick_handle_temperature(get_current_temperature())
     tick_handle_food()
diff --git a/project/scripts/player/tree/BehaviorTree.gd b/project/scripts/player/tree/BehaviorTree.gd
index 56945af..2d2e1b1 100644
--- a/project/scripts/player/tree/BehaviorTree.gd
+++ b/project/scripts/player/tree/BehaviorTree.gd
@@ -8,25 +8,25 @@ var behavior_tree: Task    = null
 
 
 func _ready() -> void:
-	if get_child_count() == 0 or get_child_count() > 1:
-		push_error("This controller needs exactly one Task child, got " + str(get_child_count()))
+    if get_child_count() == 0 or get_child_count() > 1:
+        push_error("This controller needs exactly one Task child, got " + str(get_child_count()))
 
-	var child: Node = get_child(0)
-	if not (child is Task):
-		push_error("Child is not a task: " + child.name)
+    var child: Node = get_child(0)
+    if not (child is Task):
+        push_error("Child is not a task: " + child.name)
 
-	behavior_tree = child as Task
+    behavior_tree = child as Task
 
 
 func populate_blackboard():
-	blackboard["world"] = game_manager.world
-	blackboard["player"] = game_manager.player
-	blackboard["camera"] = game_manager.camera
-	blackboard["navigation"] = game_manager.tilemap_navigation
+    blackboard["world"] = game_manager.world
+    blackboard["player"] = game_manager.player
+    blackboard["camera"] = game_manager.camera
+    blackboard["navigation"] = game_manager.tilemap_navigation
 
 
 func game_tick() -> void:
-	print("game_tick:")
-	populate_blackboard()
-	behavior_tree.internal_run(blackboard)
-	print(" ==> [active state=", blackboard["current_task"], "] [status=", behavior_tree.status, "] [blackboard=", blackboard, "]")
+    populate_blackboard()
+    behavior_tree.internal_run(blackboard)
+    if Task.print_behavior_tree_evaluation:
+        print(" ==> [active state=", blackboard["current_task"], "] [status=", behavior_tree.status, "] [blackboard=", blackboard, "]")
diff --git a/project/scripts/player/tree/Task.gd b/project/scripts/player/tree/Task.gd
index 4b1add8..2907848 100644
--- a/project/scripts/player/tree/Task.gd
+++ b/project/scripts/player/tree/Task.gd
@@ -2,6 +2,8 @@ class_name Task
 extends Node
 
 enum {FAILURE = -1, SUCCESS = 1, RUNNING = 0, SUCCESS_STOP = 2}
+static var print_behavior_tree_evaluation: bool = false
+#
 var status: int                     = FAILURE
 var status_reason: String           = ""
 var tilemap_types: TileMapTileTypes = TileMapTileTypes.new()
@@ -22,9 +24,11 @@ func internal_run(blackboard: Dictionary) -> void:
     if running_child != null:
         extra_string = running_child.name
 
-    print(" -> ", human_readable(extra_string))
+    if print_behavior_tree_evaluation:
+        print(" -> ", human_readable(extra_string))
     run(blackboard)
-    print("   <- ", human_readable(extra_string))
+    if print_behavior_tree_evaluation:
+        print("   <- ", human_readable(extra_string))
 
 
 func find_running_child() -> Task:
diff --git a/project/scripts/player/tree/impl/base/TaskSelector.gd b/project/scripts/player/tree/impl/base/TaskSelector.gd
index 80a3b37..e6ae376 100644
--- a/project/scripts/player/tree/impl/base/TaskSelector.gd
+++ b/project/scripts/player/tree/impl/base/TaskSelector.gd
@@ -2,6 +2,11 @@ class_name TaskSelector
 extends Task
 
 func run(blackboard: Dictionary) -> void:
+    if get_children().size() == 0:
+        status = FAILURE
+        status_reason = "no children"
+        return
+
     var running_child: Task = find_running_child()
     for c in slice_at_child(running_child):
         run_child(blackboard, c)
diff --git a/project/scripts/player/tree/impl/base/TaskSequence.gd b/project/scripts/player/tree/impl/base/TaskSequence.gd
index 2059336..f3db4bc 100644
--- a/project/scripts/player/tree/impl/base/TaskSequence.gd
+++ b/project/scripts/player/tree/impl/base/TaskSequence.gd
@@ -2,6 +2,11 @@ class_name TaskSequence
 extends Task
 
 func run(blackboard: Dictionary) -> void:
+    if get_children().size() == 0:
+        status = FAILURE
+        status_reason = "no children"
+        return
+
     var running_child: Task = find_running_child()
     for c in slice_at_child(running_child):
         run_child(blackboard, c)
diff --git a/project/scripts/player/tree/impl/game/boat/TaskCheckBoatCompleted.gd b/project/scripts/player/tree/impl/game/boat/TaskCheckBoatCompleted.gd
new file mode 100644
index 0000000..e1d9560
--- /dev/null
+++ b/project/scripts/player/tree/impl/game/boat/TaskCheckBoatCompleted.gd
@@ -0,0 +1,13 @@
+class_name TaskCheckBoatCompleted
+extends Task
+
+func run(blackboard: Dictionary) -> void:
+    var world: World = blackboard["world"]
+
+    if world.camp_manager.boat_items.size() >= world.camp_manager.required_boat_parts:
+        status = SUCCESS
+        status_reason = "Boat is completed with " + str(world.camp_manager.boat_items.size()) + " parts"
+        return
+
+    status = FAILURE
+    status_reason = "Boat is not completed, got only " + str(world.camp_manager.boat_items.size()) + " parts"
diff --git a/project/scripts/player/tree/impl/game/boat/TaskDeliverBoatPart.gd b/project/scripts/player/tree/impl/game/boat/TaskDeliverBoatPart.gd
new file mode 100644
index 0000000..92cbf28
--- /dev/null
+++ b/project/scripts/player/tree/impl/game/boat/TaskDeliverBoatPart.gd
@@ -0,0 +1,20 @@
+class_name TaskDeliverBoatPart
+extends Task
+
+func run(blackboard: Dictionary) -> void:
+    var world: World                  = blackboard["world"]
+    var player: PlayerManager         = blackboard["player"]
+
+    if tilemap_types.is_part_of_collection(tilemap_types.OBJECT_COLLECTION_BOAT_PARTS, player.inventory_slot):
+        EventsTracker.track(EventsTracker.Event.CAMP_BOAT_PART_DELIVERED, {"item": player.inventory_slot})
+        world.camp_manager.boat_items.append(player.inventory_slot)
+        player.inventory_slot = tilemap_types.EMPTY
+        if world.camp_manager.boat_items.size() >= world.camp_manager.required_boat_parts:
+            EventsTracker.track(EventsTracker.Event.CAMP_BOAT_COMPLETE, {"item": tilemap_types.OBJECT_I_BOAT_WITH_ENGINE})
+            world.tilemap_interactive.set_cell(world.camp_manager.boat_build_location, tilemap_types.OBJECT_I_BOAT_WITH_ENGINE)
+        status = SUCCESS
+        status_reason = "Player delivered boat part"
+        return
+
+    status = FAILURE
+    status_reason = "Player does not have boat part to deliver"
diff --git a/project/scripts/player/tree/impl/game/boat/TaskFindClosestBoatPart.gd b/project/scripts/player/tree/impl/game/boat/TaskFindClosestBoatPart.gd
new file mode 100644
index 0000000..9110fd3
--- /dev/null
+++ b/project/scripts/player/tree/impl/game/boat/TaskFindClosestBoatPart.gd
@@ -0,0 +1,35 @@
+class_name TaskFindClosestBoatPart
+extends Task
+
+func run(blackboard: Dictionary) -> void:
+    var world: World                  = blackboard["world"]
+    var player: PlayerManager         = blackboard["player"]
+    var navigation: TilemapNavigation = blackboard["navigation"]
+
+    var parts: Array[Vector2i] = world.tilemap_interactive.get_cells_by_type_collection(
+                                     tilemap_types.OBJECT_COLLECTION_BOAT_PARTS, player.board_position, player.view_distance)
+
+    if len(parts) == 0:
+        status = FAILURE
+        status_reason = "No boat parts found"
+        return
+
+    var closest_part: Vector2i = navigation.manhattan_distance_closest(parts, player.board_position)
+    player.player_memory["boat_part"] = closest_part
+    StepVisualization.add_line_tileset(player.board_position, closest_part, StepVisualization.LineType.SEARCH_SELECTED)
+    if closest_part == tilemap_types.NO_TILE_FOUND:
+        status = FAILURE
+        status_reason = "No closest boat part found"
+        return
+
+    blackboard["closest_part"] = closest_part
+
+    var path: Array[Vector2i] = navigation.find_path_allow_neighbors(player.board_position, closest_part, player.view_distance)
+    if path.size() > 0:
+        blackboard["path"] = path
+        status_reason = "Found path to closest boat part"
+        status = SUCCESS
+        return
+
+    status = FAILURE
+    status_reason = "No path found to closest boat part " + str(closest_part)
diff --git a/project/scripts/player/tree/impl/game/boat/TaskGoToBoatLeaveLocation.gd b/project/scripts/player/tree/impl/game/boat/TaskGoToBoatLeaveLocation.gd
new file mode 100644
index 0000000..30083e6
--- /dev/null
+++ b/project/scripts/player/tree/impl/game/boat/TaskGoToBoatLeaveLocation.gd
@@ -0,0 +1,20 @@
+class_name TaskGoToBoatLeaveLocation
+extends Task
+
+func run(blackboard: Dictionary) -> void:
+    var world: World                  = blackboard["world"]
+    var player: PlayerManager         = blackboard["player"]
+    var navigation: TilemapNavigation = blackboard["navigation"]
+
+    var target: Vector2i = world.camp_manager.boat_leave_location
+
+    StepVisualization.add_line_tileset(player.board_position, target, StepVisualization.LineType.SEARCH_SELECTED)
+    var path: Array[Vector2i] = navigation.find_path_allow_neighbors(player.board_position, target, player.view_distance)
+    if path.size() > 0:
+        blackboard["path"] = path
+        status_reason = "Found path to boat leave location"
+        status = SUCCESS
+        return
+
+    status = FAILURE
+    status_reason = "No path found to boat leave location " + str(target)
diff --git a/project/scripts/player/tree/impl/game/boat/TaskGoToBoatLocation.gd b/project/scripts/player/tree/impl/game/boat/TaskGoToBoatLocation.gd
new file mode 100644
index 0000000..6018aaf
--- /dev/null
+++ b/project/scripts/player/tree/impl/game/boat/TaskGoToBoatLocation.gd
@@ -0,0 +1,20 @@
+class_name TaskGoToBoatLocation
+extends Task
+
+func run(blackboard: Dictionary) -> void:
+    var world: World                  = blackboard["world"]
+    var player: PlayerManager         = blackboard["player"]
+    var navigation: TilemapNavigation = blackboard["navigation"]
+
+    var target: Vector2i = world.camp_manager.boat_build_location
+
+    StepVisualization.add_line_tileset(player.board_position, target, StepVisualization.LineType.SEARCH_SELECTED)
+    var path: Array[Vector2i] = navigation.find_path_allow_neighbors(player.board_position, target, player.view_distance)
+    if path.size() > 0:
+        blackboard["path"] = path
+        status_reason = "Found path to boat build location"
+        status = SUCCESS
+        return
+
+    status = FAILURE
+    status_reason = "No path found to boat build location " + str(target)
diff --git a/project/scripts/player/tree/impl/game/inventory/TaskInventoryContainsBoat.gd b/project/scripts/player/tree/impl/game/inventory/TaskInventoryContainsBoat.gd
new file mode 100644
index 0000000..c1a118d
--- /dev/null
+++ b/project/scripts/player/tree/impl/game/inventory/TaskInventoryContainsBoat.gd
@@ -0,0 +1,13 @@
+class_name TaskInventoryContainsBoat
+extends Task
+
+func run(blackboard: Dictionary) -> void:
+    var player: PlayerManager = blackboard["player"]
+
+    if tilemap_types.is_part_of_collection(tilemap_types.OBJECT_COLLECTION_BOAT, player.inventory_slot):
+        status = SUCCESS
+        status_reason = "Player has boat"
+        return
+
+    status = FAILURE
+    status_reason = "Player does not have boat"
diff --git a/project/scripts/player/tree/impl/game/inventory/TaskInventoryContainsBoatPart.gd b/project/scripts/player/tree/impl/game/inventory/TaskInventoryContainsBoatPart.gd
new file mode 100644
index 0000000..9c9b323
--- /dev/null
+++ b/project/scripts/player/tree/impl/game/inventory/TaskInventoryContainsBoatPart.gd
@@ -0,0 +1,13 @@
+class_name TaskInventoryContainsBoatPart
+extends Task
+
+func run(blackboard: Dictionary) -> void:
+    var player: PlayerManager = blackboard["player"]
+
+    if tilemap_types.is_part_of_collection(tilemap_types.OBJECT_COLLECTION_BOAT_PARTS, player.inventory_slot):
+        status = SUCCESS
+        status_reason = "Player has boat part"
+        return
+
+    status = FAILURE
+    status_reason = "Player does not have boat part"
diff --git a/project/scripts/player/tree/impl/game/inventory/TaskPickupBoat.gd b/project/scripts/player/tree/impl/game/inventory/TaskPickupBoat.gd
new file mode 100644
index 0000000..b031e85
--- /dev/null
+++ b/project/scripts/player/tree/impl/game/inventory/TaskPickupBoat.gd
@@ -0,0 +1,15 @@
+class_name TaskPickupBoat
+extends Task
+
+func run(blackboard: Dictionary) -> void:
+    var player: PlayerManager = blackboard["player"]
+    var world: World          = blackboard["world"]
+
+    if world.camp_manager.boat_build_location == tilemap_types.EMPTY:
+        status = FAILURE
+        status_reason = "Boat is not on the map"
+        return
+
+    player.pick_up_item(world.camp_manager.boat_build_location)
+    status = SUCCESS
+    status_reason = "Picked up boat"
diff --git a/project/scripts/player/tree/impl/game/inventory/TaskPickupBoatPart.gd b/project/scripts/player/tree/impl/game/inventory/TaskPickupBoatPart.gd
new file mode 100644
index 0000000..4a8cd4b
--- /dev/null
+++ b/project/scripts/player/tree/impl/game/inventory/TaskPickupBoatPart.gd
@@ -0,0 +1,12 @@
+class_name TaskPickupBoatPart
+extends Task
+
+func run(blackboard: Dictionary) -> void:
+    var player: PlayerManager  = blackboard["player"]
+    var closest_part: Vector2i = blackboard["closest_part"]
+
+    player.pick_up_item(closest_part)
+    player.player_memory.erase("boat_part")
+
+    status = SUCCESS
+    status_reason = "Picked up boat part"
diff --git a/project/scripts/tilemap/StepVisualization.gd b/project/scripts/tilemap/StepVisualization.gd
index b3dae7e..1a2bdeb 100644
--- a/project/scripts/tilemap/StepVisualization.gd
+++ b/project/scripts/tilemap/StepVisualization.gd
@@ -4,10 +4,13 @@ extends Node2D
 static var game_manager: GameManager
 static var world: World
 #
-enum LineType { SEARCH_BASE, SEARCH_SELECTED }
+enum LineType { SEARCH_BASE, SEARCH_SELECTED, SEARCH_FAILED }
+enum CircleType { PLAYER_VIEW }
 #
 # Dictionary[Array[Vector2i], LineType] ([from, to], line_type)
 static var draw_lines: Dictionary = {}
+# Dictionary[Array[Vector2i], CircleType] ([center, radius], circle_type)
+static var draw_circles: Dictionary = {}
 
 
 static func add_line(from: Vector2i, to: Vector2i, line_type: LineType) -> void:
@@ -20,8 +23,19 @@ static func add_line_tileset(from: Vector2i, to: Vector2i, line_type: LineType)
     draw_lines[[from_tileset, to_tileset]] = line_type
 
 
+static func add_circle(center: Vector2i, radius: int, circle_type: CircleType) -> void:
+    draw_circles[[center, radius]] = circle_type
+
+
+static func add_circle_tileset(center: Vector2i, radius: int, circle_type: CircleType) -> void:
+    var center_tileset: Vector2i = world.tilemap_ground.cell_to_local(center)
+    radius *= world.tilemap_ground.tilemap.tile_set.tile_size.x
+    draw_circles[[center_tileset, radius]] = circle_type
+
+
 func game_tick_start():
     draw_lines.clear()
+    draw_circles.clear()
 
 
 func game_tick_end():
@@ -29,7 +43,7 @@ func game_tick_end():
 
 var label_font = Control.new().get_theme_default_font()
 
-@export var default_line_color: Color = Color("red")
+@export var default_color: Color = Color("red")
 
 
 func _ready() -> void:
@@ -37,7 +51,6 @@ func _ready() -> void:
 
 
 func _draw() -> void:
-    # draw all draw_lines with their labels
     for key in draw_lines.keys():
         var from: Vector2i      = key[0]
         var to: Vector2i        = key[1]
@@ -47,6 +60,13 @@ func _draw() -> void:
             draw_line(from, to, Color("blue"), 1)
         elif line_type == LineType.SEARCH_SELECTED:
             draw_line(from, to, Color("green"), 2)
+        elif line_type == LineType.SEARCH_FAILED:
+            draw_line(from, to, Color(255, 0, 0, 0.2), 1)
 
-            # var center: Vector2 = (from + to) / 2
-            # draw_string(label_font, center, label, 0, -1, 12, text_color)
+    for key in draw_circles.keys():
+        var center: Vector2i        = key[0]
+        var radius: int             = key[1]
+        var circle_type: CircleType = draw_circles[key]
+
+        if circle_type == CircleType.PLAYER_VIEW:
+            draw_circle(center, radius, Color("green"), false, 2, true)
diff --git a/project/scripts/tilemap/TileMapLayerAccess.gd b/project/scripts/tilemap/TileMapLayerAccess.gd
index 2aa9fac..565ff67 100644
--- a/project/scripts/tilemap/TileMapLayerAccess.gd
+++ b/project/scripts/tilemap/TileMapLayerAccess.gd
@@ -1,6 +1,8 @@
 class_name TileMapLayerAccess
 extends Node
 
+var tilemap_types: TileMapTileTypes = TileMapTileTypes.new()
+#
 var tilemap: TileMapLayer = null
 var sid: int              = 0
 
@@ -17,7 +19,7 @@ func get_cells_by_type(
     if max_distance < 99999999:
         var filtered_tiles: Array[Vector2i] = []
         for tile in tiles_with_type:
-            if TilemapNavigation.manhattan_distance(center, tile, true) <= max_distance:
+            if TilemapNavigation.is_within_radius(center, tile, max_distance, true):
                 filtered_tiles.append(tile)
         return filtered_tiles
     return tiles_with_type
@@ -33,7 +35,7 @@ func get_cells_by_type_collection(
     if max_distance < 99999999:
         var filtered_tiles: Array[Vector2i] = []
         for tile in tiles_with_type:
-            if TilemapNavigation.manhattan_distance(center, tile, true) <= max_distance:
+            if TilemapNavigation.is_within_radius(center, tile, max_distance, true):
                 filtered_tiles.append(tile)
         return filtered_tiles
     return tiles_with_type
@@ -67,6 +69,8 @@ func get_cell(position: Vector2i) -> TileData:
 
 
 func get_cell_atlas_coords(position: Vector2i) -> Vector2i:
+    if not get_cell(position):
+        return tilemap_types.NO_TILE_FOUND
     return tilemap.get_cell_atlas_coords(position)
 
 
diff --git a/project/scripts/tilemap/TileMapTileTypes.gd b/project/scripts/tilemap/TileMapTileTypes.gd
index b08ea8f..158d7f3 100644
--- a/project/scripts/tilemap/TileMapTileTypes.gd
+++ b/project/scripts/tilemap/TileMapTileTypes.gd
@@ -19,10 +19,10 @@ const OBJECT_NI_ROCK_1: Vector2i   = Vector2i(2, 0)
 #
 # I = interactive
 # boat
-const OBJECT_I_BOAT_NO_ENIGNE: Vector2i   = Vector2i(4, 4)
-const OBJECT_I_BOAT_WITH_ENGINE: Vector2i = Vector2i(6, 4)
+const OBJECT_I_BOAT_NO_ENIGNE: Vector2i   = Vector2i(0, 4)
+const OBJECT_I_BOAT_WITH_ENGINE: Vector2i = Vector2i(2, 4)
 # boat parts
-const OBJECT_I_BOAT_PART_GENERIC: Vector2i   = Vector2i(4584, 5234)
+const OBJECT_I_BOAT_PART_GENERIC: Vector2i   = Vector2i(1, 1)
 const OBJECT_I_BOAT_PART_ENGINE: Vector2i    = Vector2i(0, 1)
 const OBJECT_I_BOAT_PART_FUEL: Vector2i      = Vector2i(1, 1)
 const OBJECT_I_BOAT_PART_ANCHOR: Vector2i    = Vector2i(2, 1)
@@ -52,6 +52,7 @@ const OBJECT_COLLECTION_BOAT_PARTS: Array[Vector2i]   = [ # @formatter:off
 	OBJECT_I_BOAT_PART_CHEST, OBJECT_I_BOAT_PART_GEARS, OBJECT_I_BOAT_PART_MEDIKIT,
 	OBJECT_I_BOAT_PART_PADDLE, OBJECT_I_BOAT_PART_GAS_STOVE
 ] # @formatter:on
+const OBJECT_COLLECTION_BOAT: Array[Vector2i]        = [OBJECT_I_BOAT_NO_ENIGNE, OBJECT_I_BOAT_WITH_ENGINE]
 #
 # temperature, sid = 2
 const TEMPERATURE_NORMAL: Vector2i = Vector2i(2, 0)
@@ -82,3 +83,6 @@ func player_sprite_from_direction(direction: Vector2i) -> Vector2i:
 	if direction == Vector2i(1, 0):
 		return PLAYER_RIGHT
 	return PLAYER_DOWN
+
+func is_part_of_collection(collection: Array[Vector2i], item: Vector2i) -> bool:
+	return collection.find(item) != -1
diff --git a/project/scripts/tilemap/TilemapNavigation.gd b/project/scripts/tilemap/TilemapNavigation.gd
index 6c8c371..aec99a8 100644
--- a/project/scripts/tilemap/TilemapNavigation.gd
+++ b/project/scripts/tilemap/TilemapNavigation.gd
@@ -32,15 +32,18 @@ func game_tick_end() -> void:
         world.tilemap_nav_vis.set_cell(chosen_path[chosen_path.size() - 1], tilemap_types.NAVIGATION_TARGET)
 
 
-func is_within_radius(position: Vector2i, center: Vector2i, radius: int, record: bool = false) -> bool:
-    return TilemapNavigation.manhattan_distance(position, center, record) <= radius
-
-
-static func manhattan_distance(a: Vector2i, b: Vector2i, record: bool = false) -> int:
-    var dist: int = abs(a.x - b.x) + abs(a.y - b.y)
+static func is_within_radius(position: Vector2i, center: Vector2i, radius: int, record: bool = false) -> bool:
+    var is_within: bool = TilemapNavigation.manhattan_distance(position, center) <= radius
     if record:
-        StepVisualization.add_line_tileset(a, b, StepVisualization.LineType.SEARCH_BASE)
-    return dist
+        if is_within:
+            StepVisualization.add_line_tileset(center, position, StepVisualization.LineType.SEARCH_BASE)
+        else:
+            StepVisualization.add_line_tileset(center, position, StepVisualization.LineType.SEARCH_FAILED)
+    return is_within
+
+
+static func manhattan_distance(a: Vector2i, b: Vector2i) -> int:
+    return abs(a.x - b.x) + abs(a.y - b.y)
 
 
 func manhattan_distance_closest(options: Array[Vector2i], target: Vector2i) -> Vector2i:
diff --git a/project/scripts/tilemap/objects/CampManager.gd b/project/scripts/tilemap/objects/CampManager.gd
index 68e9ac5..921ab44 100644
--- a/project/scripts/tilemap/objects/CampManager.gd
+++ b/project/scripts/tilemap/objects/CampManager.gd
@@ -6,9 +6,14 @@ var tilemap_types: TileMapTileTypes = TileMapTileTypes.new()
 var game_manager: GameManager               = null
 var tilemap_interactive: TileMapLayerAccess = null
 #
-var items: Array[Vector2i] = []
-var camp: Vector2i         = Vector2i(0, 0)
-var campfire: Vector2i     = Vector2i(0, 0)
+var camp_items: Array[Vector2i]   = []
+var boat_items: Array[Vector2i]   = []
+var camp: Vector2i                = tilemap_types.EMPTY
+var campfire: Vector2i            = tilemap_types.EMPTY
+var boat_build_location: Vector2i = tilemap_types.EMPTY
+var boat_leave_location: Vector2i = tilemap_types.EMPTY
+
+@export var required_boat_parts: int = 3
 
 
 func setup() -> void:
@@ -18,30 +23,45 @@ func setup() -> void:
         camp = camp_locations[0]
     else:
         push_error("No camp location found on tilemap")
+
     var firepit_locations: Array[Vector2i] = tilemap_interactive.get_cells_by_type_collection(tilemap_types.OBJECT_COLLECTION_FIREPIT)
     if len(firepit_locations) > 0:
         campfire = firepit_locations[0]
     else:
         push_error("No firepit location found on tilemap")
+
+    var boat_build_locations: Array[Vector2i] = tilemap_interactive.get_cells_by_type(tilemap_types.OBJECT_I_BOAT_NO_ENIGNE)
+    if len(boat_build_locations) > 0:
+        boat_build_location = boat_build_locations[0]
+    else:
+        push_error("No boat build location found on tilemap")
+
+    var boat_leave_locations: Array[Vector2i] = tilemap_interactive.get_cells_by_type(tilemap_types.OBJECT_I_BOAT_WITH_ENGINE)
+    if len(boat_leave_locations) > 0:
+        boat_leave_location = boat_leave_locations[0]
+        tilemap_interactive.set_cell(boat_leave_location, tilemap_types.EMPTY)
+    else:
+        push_error("No boat leave location found on tilemap")
+
     print("CampManager: camp=", camp, " campfire=", campfire)
 
     tilemap_interactive.set_cell(campfire, tilemap_types.OBJECT_I_FIREPIT_OFF)
 
 
 func camp_contains_item(item: Vector2i) -> bool:
-    return items.find(item) != -1
+    return camp_items.find(item) != -1
 
 
 func camp_contains_item_collection(item: Array[Vector2i]) -> bool:
     for i in item:
-        if items.find(i) == -1:
+        if camp_items.find(i) == -1:
             return false
     return true
 
 
 func camp_item_count(item: Vector2i) -> int:
     var count: int = 0
-    for i in items:
+    for i in camp_items:
         if i == item:
             count += 1
     return count
@@ -49,7 +69,7 @@ func camp_item_count(item: Vector2i) -> int:
 
 func camp_item_collection_count(item: Array[Vector2i]) -> int:
     var count: int = 0
-    for i in items:
+    for i in camp_items:
         if item.find(i) != -1:
             count += 1
     return count
@@ -62,9 +82,9 @@ func camp_take_item(item: Vector2i, count: int = 1) -> bool:
         return false
 
     var taken: int = 0
-    for i in range(items.size()):
-        if items[i] == item:
-            items.remove_at(i)
+    for i in range(camp_items.size()):
+        if camp_items[i] == item:
+            camp_items.remove_at(i)
             taken += 1
             if taken == count:
                 break
@@ -74,7 +94,7 @@ func camp_take_item(item: Vector2i, count: int = 1) -> bool:
 
 
 func camp_add_item(item: Vector2i) -> void:
-    items.append(item)
+    camp_items.append(item)
     EventsTracker.track(EventsTracker.Event.CAMP_ADDED_ITEM, {"item": item, "count": 1, "new_count": camp_item_count(item)})