diff --git a/core/scripts/entity.gd b/core/scripts/entity.gd
index d69e400..4ed240f 100644
--- a/core/scripts/entity.gd
+++ b/core/scripts/entity.gd
@@ -1,15 +1,18 @@
 @icon('uid://br8ndde8qty32')
-extends Node3D
+extends Node
 class_name Entity
 
 
-## Base entity class for everything interactive.
+## Base entity class for everything not static.
 ##
 ## Should be the parent of every units, buildings,
-## npc, loot, and everything that the player can interact with in 3D
-
+## npc, loot, and everything that the player can interact with
+##
+## Is a node, because we want to deactivate rendering when out of camera and only simulating the world.
+## Plus, only the entity is replicated in multiplayer
 
 func _ready() -> void:
+	add_to_group('entity')
 	add_to_group('selectable-entity')