Kept goiong, but not quite happy.

scripts/World.gd

@@ -3,12 +3,17 @@ extends Node2D
 var gravity = ProjectSettings.get_setting("physics/2d/default_gravity")
 var gravity_vector = ProjectSettings.get_setting("physics/2d/default_gravity_vector")
 var player = load("res://scenes/pDasher.tscn")
-var level = load("res://scenes/levels/level_1.tscn")
+var level
 var direction: int = 1
 var paused: bool = false
 var asp: AudioStreamPlayer
 var switch_gravity_sound = preload("res://audio/switch_gravity.wav")
-
+var win = preload("res://scenes/UI/Win.tscn").instantiate()
+var end = preload("res://scenes/UI/End.tscn").instantiate()
+@export var Levels: Array[Resource] = [ preload("res://scenes/levels/level_0.tscn"), preload("res://scenes/levels/level_1.tscn") ]
+var level_n: int = 0
+var pDasher
+ 
 
 ## WORLD METHODS
 func switch_gravity():
@@ -20,17 +25,40 @@ func switch_direction():
 
 ## NAVIGATION
 func player_fail():
-	get_tree().change_scene_to_file("res://scenes/UI/End.tscn")
+	$".".hide()
+	#$pDasher.queue_free()
+	
+	#ONLY IF NOT THERE ALREADY
+	
+	if !$"."/End :
+		get_tree().get_root().add_child( end )
+	else:
+		$"."/End.show()
+	#get_tree().change_scene_to_file("res://scenes/UI/End.tscn")
 	
 func player_win():
-	get_tree().change_scene_to_file("res://scenes/UI/Win.tscn")
+	level_n += 1
+	load_level()
+	$"." .hide()
+	get_tree().get_root().add_child( win )
+	#get_tree().change_scene_to_file("res://scenes/UI/Win.tscn")
 
+func player_spawn():
+	pDasher.position = Vector2(0,0  )
+
+func load_level():
+	if level_n == null:
+		level_n = 0
+	level = Levels[level_n]
+	
 func _ready():
 	
+	load_level()
+		
 	asp = $AudioStreamPlayer
 	
 	#load player and level
-	get_node("/root/World").add_child( player.instantiate() ) #absolute way...
+	get_node("/root/World").add_child( player.instantiate() )
 	get_node("/root/World").add_child( level.instantiate() ) #relative way meaning <ME> or whatever node this script is attached to.
 	
 	# manage signals connections
@@ -51,7 +79,9 @@ func _ready():
 	for checkpoint in checkpoints:
 		#print( checkpoint )
 		checkpoint.body_entered.connect( _on_checkpoint_body_entered )
-
+		
+	pDasher = get_node("/root/World/pDasher")
+	player_spawn()
 ## MAIN
 #func _process(delta):
 	#pass
@@ -70,8 +100,8 @@ func _on_gswitch_body_entered(body):
 	switch_gravity()
 
 func _on_dswitch_body_entered(body):	
-	var dasher = get_node("/root/World/pDasher")
-	dasher.switch_direction()
+	pDasher
+	pDasher.switch_direction()