did a lot of stuff holy shit

scripts/menus/game_finished.gd

@@ -0,0 +1,7 @@
+extends Control
+
+func _ready() -> void:
+	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+
+func _on_button_pressed() -> void:
+	get_tree().change_scene_to_file("res://scenes/gui/menus/main_menu.tscn")

scripts/menus/level_selection.gd

@@ -1,11 +1 @@
 extends PanelContainer
-
-
-# Called when the node enters the scene tree for the first time.
-func _ready() -> void:
-	pass # Replace with function body.
-
-
-# Called every frame. 'delta' is the elapsed time since the previous frame.
-func _process(delta: float) -> void:
-	pass

scripts/menus/main_menu.gd

@@ -3,6 +3,7 @@ class_name MainMenu
 
 func _ready() -> void:
 	Input.mouse_mode = Input.MOUSE_MODE_VISIBLE
+	LevelManager.level_pointer = 0
 
 func _on_start_game_pressed() -> void:
 	get_tree().change_scene_to_file("res://scenes/levels/lvl_1.tscn")