diff --git a/constants.py b/constants.py
index 8789148..6806087 100644
--- a/constants.py
+++ b/constants.py
@@ -1 +1,6 @@
-CONST_FPS = 60
\ No newline at end of file
+CONST_FPS = 60
+
+ROOM_START = 0
+ROOM_MAIN = 1
+ROOM_END = 2
+ROOM_NEXT = -1