Backrooms Game No. 999999 cover art

Backrooms Game No. 999999

Backrooms #999999999 is a singleplayer/4 player co-op horror exploration game. Unlock the puzzles, survive the entities, escape the deadly geometry and try to reach the final level in one piece. Good luck…

31 December 2026

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Backrooms Game No. 999999 is an indie, releasing 31 December 2026 on PC (Microsoft Windows).

Verified Sources: IGDB , Steam

What Backrooms Game No. 999999 is

Backrooms Game No. 999999 is an unreleased indie game, currently scheduled for 31 December 2026. It is available on PC (Microsoft Windows) only.

The premise, in the publisher's words

Backrooms #999999999 is a singleplayer/4 player co-op horror exploration game. Unlock the puzzles, survive the entities, escape the deadly geometry and try to reach the final level in one piece. Good luck, wanderer!
Description from the publisher · source

How it plays

It is played from a first person perspective. Its themes are action. It is a single-player game with no multiplayer component. Available modes: Multiplayer and Single player.

What you need to run it

The minimum specification calls for Intel Core i3, 8 GB RAM and NVIDIA GeForce GTX 960. An 8GB memory requirement is modest by current standards; most machines sold in the last five years clear it. Install size is roughly 10GB. Both tiers are compared side by side on the requirements page, and you can check your own parts against them without installing anything.

Full requirements and PC checker →

Screenshots

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Quick answers

Backrooms Game No. 999999 — frequently asked questions

When is Backrooms Game No. 999999 coming out?
Backrooms Game No. 999999 is scheduled to release on 31 December 2026. That is 71 days away.
What are the minimum PC requirements for Backrooms Game No. 999999?
At minimum, Backrooms Game No. 999999 needs Intel Core i3, 8 GB RAM, NVIDIA GeForce GTX 960 graphics, 10 GB available space of storage.
How many GB is Backrooms Game No. 999999?
The PC version needs about 10 GB of storage, going by the storage line in the system requirements ("10 GB available space"). Updates can add to that, and console versions have their own sizes, which are not listed here.

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