Oldest version of omega rooms Entities: R-20, X-20, R-42 (Old R-45), X-42 (Old X-45), R-64, X-64, R-80, R-86 (Old R-101), R-100 (Removed in Omega Rooms), R-133 (Removed in Omega Rooms), R-150, R-180.
- Entities spawning chance changes every second instead of every room opened. - Entities spawn very often. - Eventually, once you get far enough, everything becomes pitch black. - Batteries are very rare.
