diff --git a/project/main-scenes/island.tscn b/project/main-scenes/island.tscn
index bec4894..29b5b9b 100644
--- a/project/main-scenes/island.tscn
+++ b/project/main-scenes/island.tscn
@@ -1,4 +1,4 @@
-[gd_scene load_steps=8 format=4 uid="uid://b88asko1ugyd2"]
+[gd_scene load_steps=9 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"]
@@ -7,6 +7,7 @@
 [ext_resource type="Script" path="res://scripts/player/PlayerManager.gd" id="4_1xqo1"]
 [ext_resource type="Script" path="res://scripts/player/tree/BehaviorTree.gd" id="6_efs30"]
 [ext_resource type="Script" path="res://scripts/player/tree/impl/base/TaskSelector.gd" id="7_1jajd"]
+[ext_resource type="Script" path="res://scripts/player/tree/impl/context/WalkToMouse.gd" id="8_qs3d0"]
 
 [node name="Island-scene" type="Node2D"]
 script = ExtResource("1_eeg2d")
@@ -38,7 +39,6 @@ tile_map_data = PackedByteArray("AAAOAAkAAQACAAAAAAANAAkAAQACAAAAAAANAAoAAQACAAA
 tile_set = ExtResource("1_vlccq")
 
 [node name="InteractiveObjectsLayer" type="TileMapLayer" parent="Tileset"]
-scale = Vector2(0.979337, 1.0577)
 tile_map_data = PackedByteArray("AAASABYAAQAAAAEAAAAWAAoAAQAAAAEAAAALABkAAQAAAAIAAAATABwAAQAAAAMAAAASAA8AAQAAAAMAAAAQAAUAAQAAAAMAAAAhAAkAAQAAAAMAAAAKABkAAQAAAAQAAABEACIAAQAAAAUAAABsADUAAQAAAAYAAABwAA8AAQAAAAcAAAAUAAYAAQADAAEAAAAXAAYAAQADAAAAAAARAAYAAQAEAAAAAAAJAAkAAQADAAEAAAAFAAgAAQADAAEAAAAFAAwAAQADAAEAAAAJAAwAAQADAAEAAAA=")
 tile_set = ExtResource("1_vlccq")
 
@@ -57,3 +57,11 @@ script = ExtResource("6_efs30")
 
 [node name="sl_Root" type="Node" parent="PlayerManager/BehaviorTree"]
 script = ExtResource("7_1jajd")
+
+[node name="Node" type="Node" parent="PlayerManager/BehaviorTree/sl_Root"]
+script = ExtResource("8_qs3d0")
+
+[node name="GameTick" type="Timer" parent="."]
+wait_time = 0.1
+
+[connection signal="timeout" from="GameTick" to="." method="_on_game_tick_timeout"]
diff --git a/project/scripts/global/GameManager.gd b/project/scripts/global/GameManager.gd
index ccf92be..b292e02 100644
--- a/project/scripts/global/GameManager.gd
+++ b/project/scripts/global/GameManager.gd
@@ -8,27 +8,28 @@ extends Node
 
 
 func _ready() -> void:
-	player.game_manager = self
+    player.game_manager = self
+    game_ticker.start()
 
 
 func _process(delta: float) -> void:
-	if Input.is_action_just_pressed("key_1"):
-		camera.go_to_zooming(Vector2(517.469787597656, 289.846008300781), 1.771561)
-	if Input.is_action_just_pressed("key_2"):
-		camera.go_to_zooming(Vector2(789.883972167969, 450.102813720703), 0.56015348434448)
-	if Input.is_action_just_pressed("key_9"):
-		camera.print_config()
-	if Input.is_action_just_pressed("force_game_tick"):
-		player.game_tick()
+    if Input.is_action_just_pressed("key_1"):
+        camera.go_to_zooming(Vector2(517.469787597656, 289.846008300781), 1.771561)
+    if Input.is_action_just_pressed("key_2"):
+        camera.go_to_zooming(Vector2(789.883972167969, 450.102813720703), 0.56015348434448)
+    if Input.is_action_just_pressed("key_9"):
+        camera.print_config()
+    if Input.is_action_just_pressed("force_game_tick"):
+        player.game_tick()
 
 
 func player_health_depleted():
-	# TODO
-	pass
+    # TODO
+    pass
 
 
 func _on_game_tick_timeout() -> void:
-	var timer_on_game_tick_timeout: PerformanceTimer = PerformanceTimer.new()
-	timer_on_game_tick_timeout.display_name = "_on_game_tick_timeout"
-	player.game_tick()
-	timer_on_game_tick_timeout.stop()
+    var timer_on_game_tick_timeout: PerformanceTimer = PerformanceTimer.new()
+    timer_on_game_tick_timeout.display_name = "_on_game_tick_timeout"
+    player.game_tick()
+    timer_on_game_tick_timeout.stop()
diff --git a/project/scripts/tilemap/World.gd b/project/scripts/tilemap/World.gd
index 518bfd3..51599b9 100644
--- a/project/scripts/tilemap/World.gd
+++ b/project/scripts/tilemap/World.gd
@@ -37,6 +37,10 @@ func _ready() -> void:
 # tilemap_ground.set_cell(Vector2i(0, 0), tilemap_types.GROUND_GRASS)
 # print(tilemap_ground.local_to_cell(get_local_mouse_position()))
 
+func tilemap_mouse_position() -> Vector2i:
+    return tilemap_ground.local_to_cell(get_local_mouse_position())
+
+
 func find_item_drop_location(center_pos: Vector2i) -> Vector2i:
     for x in range(center_pos.x - 2, center_pos.x + 2):
         for y in range(center_pos.y - 2, center_pos.y + 2):