The Backrooms: Mass Extinction cover
The Backrooms: Mass Extinction screenshot
Genre: Adventure

The Backrooms: Mass Extinction

Beta 1.0.1

A quick little update which:

  • Fixes the TVs which weren't playing the VHS correctly.
  • Fixes the Smiler so it can walk.
  • Adds a new entity: an ASync employee who was consumed by the sentient bacteria while still in their suits. It has taken over their body and reanimated their corpse.
  • I'll see if there's anything else I have time for.


This update should be out between September 3rd and September 5th.

Beta 1.0 Coming Soon!

Beta 1.0 will feature new mechanics such as:

  • An item wheel for the player's equipment.
  • Guns including a pistol, a submachine gun and an assault rifle.
  • The ability to swim underwater.
  • An inventory system as well as items to collect.
  • The ability to inspect items.
  • VHS tapes which can be found and played.
  • The ability to interact with certain parts of the environment.
  • The Partygoer entity.
  • The smiler entity.


It will also include quality of life improvements such as:

  • A refined HUD design.
  • Footsteps that leave footprints.
  • And more...


It will also include two new levels (Level Fun and an original sub-level), as well as an expanded Poolrooms level.

This update is planned for mid August.

Alpha 1.3.2

Alpha 1.3.1
- Fixed a bug in VR where the vending machine and book would stick to the activate button after being used / deselected.
- Fixed a bug that was preventing switching between regular and VR modes in game.
- Fixed a bug where a trigger volume was misplaced and would load a level in the wrong place.
- Added a new book in the Manila room and one of the ASync bases detailing more of the game's lore.

Alpha 1.3.2
- Hopefully should fix the bug where some people spawn at floor height in VR. If it doesn't, let me know!

Alpha 1.3 coming soon

Alpha 1.3

  • Upgraded from Unreal Engine 4 to Unreal Engine 5, allowing for improved lighting, increased level size and various optimizations.
  • Level 0 is expanded with a massive new multi-floor area.
  • The pointer for VR is displaying correctly again and can be used to target things to grab.
  • The title of the game has removed the wishlist on steam banner.
  • My logo and the Unreal Engine logo are now present when opening the game.
  • New survival mechanics including Hunger, Thirst and Health.
  • Use vending machines to gather sustenance.
  • SFX for reading books have been added.
  • Footstep SFX have been added.
  • The torch has a new sound effect.
  • Adjustments have been made to run speed, sprint duration and stamina regeneration.
  • The elevator loading screen has been optimized.
  • The elevator loading screen makes it more obvious that it is a loading screen.
  • You will no longer be able to move in the elevator loading screen.
  • The Poolrooms has a guide book now.
  • A guard has been added for if the player no clips under the map accidently. The guard will catch you and put you back into the map.
  • You will no longer be able to move while pausing the game.
  • The sensitivity of menus has been adjusted to control better.
  • The credits of the game has been updated.
  • The Poolrooms has new water due to the upgrade to Unreal Engine 5.
  • Bug fixes.