Also saving level resource with savegame.

model/save_game.gd

@@ -1,7 +1,8 @@
 class_name SaveGame
 extends Resource
 
-@export var player_transform:Transform3D
+@export var level:String
 @export var player_name:String
 @export var quest_states:Dictionary
+@export var player_transform:Transform3D
 @export var inventory:Array[Item]

root_ui.gd

@@ -15,6 +15,8 @@ var _root_ui_state:ROOT_UI_STATE = ROOT_UI_STATE.UNDEFINED
 var _all_recipes:Array[Recipe] = []
 var _player:Player = null
 
+var current_level_resource:String
+
 # Called when the node enters the scene tree for the first time.
 func _ready():
 	for file in DirAccess.get_files_at("res://data/recipes"):
@@ -47,7 +49,9 @@ func load_scene(scene_resource:PackedScene):
 		child.queue_free()
 		child.get_parent().remove_child(child)
 	
+	print("Loading level '" + scene_resource.resource_path + "'")
 	scene.add_child(scene_resource.instantiate())
+	current_level_resource = scene_resource.resource_path
 	
 	_player = scene.find_child("Player", true, false)
 

scenes/main.gd

@@ -4,8 +4,6 @@ extends Node3D
 @onready var message_container:Control = %MessagesContainer
 @onready var message_textedit:TextEdit = %MessageTextEdit
 
-@onready var builder_missing_tool = %BuilderMissingTool
-
 @onready var root_ui:RootUI = %RootUI
 
 func save_game():
@@ -17,6 +15,7 @@ func save_game():
 
 	var save_game:SaveGame = SaveGame.new()
 	
+	save_game.level = root_ui.current_level_resource
 	save_game.player_transform = player.global_transform
 	
 	for node:Node in get_tree().get_nodes_in_group("quest_state"):
@@ -33,13 +32,15 @@ func save_game():
 	root_ui.activate_ui_panel(%GameUI)
 
 func load_game():
+	var save_game:SaveGame = load("user://savegame.tres") as SaveGame
+	var level_resource:PackedScene = load(save_game.level)
+	root_ui.load_scene(level_resource)
+
 	var player:Player = find_child("Player", true, false)
 	
 	if player == null:
 		push_error("Cannot load game: no player found!")
 		return
-	
-	var save_game:SaveGame = load("user://savegame.tres") as SaveGame
 
 	player.global_transform = save_game.player_transform