diff --git a/game/modules/planets/test_planet/biomes/simple_biome.gd b/game/modules/planets/test_planet/biomes/simple_biome.gd
index caab1281..e66b948e 100644
--- a/game/modules/planets/test_planet/biomes/simple_biome.gd
+++ b/game/modules/planets/test_planet/biomes/simple_biome.gd
@@ -1,3 +1,4 @@
+tool
 extends Biome
 
 # Copyright (c) 2019-2020 Péter Magyar
diff --git a/game/modules/planets/test_planet/villages/village.gd b/game/modules/planets/test_planet/villages/village.gd
index 17f21f5e..b195b5f2 100644
--- a/game/modules/planets/test_planet/villages/village.gd
+++ b/game/modules/planets/test_planet/villages/village.gd
@@ -1,3 +1,4 @@
+tool
 extends Dungeon
 
 export (EntityData) var trainer : EntityData
diff --git a/game/scripts/world_generators/MainPlanetGenerator.gd b/game/scripts/world_generators/MainPlanetGenerator.gd
index d3e25bc2..9ebf99e7 100644
--- a/game/scripts/world_generators/MainPlanetGenerator.gd
+++ b/game/scripts/world_generators/MainPlanetGenerator.gd
@@ -49,6 +49,7 @@ func setup(world : VoxelWorld, level_seed : int, spawn_mobs : bool, library: Vox
 #	create_planet()
 	
 func _generate_chunk(chunk : VoxelChunk) -> void:
+	
 	if _planet == null:
 		return