IMHO.

The Backrooms Project vs Dark DieMansion

The Backrooms Project and Dark DieMansion both land in Action on Steam, which is why they keep getting compared. The comparison below is built from each game's Steam metadata — release year, genres, categories, Steam Deck status, price, and review score — refreshed daily by imho.run's scraper. Headline differences: Both are Action games on Steam. The Backrooms Project (2022) is 4 years older than Dark DieMansion (2026). The Backrooms Project has co-op; Dark DieMansion does not. No login or purchase needed — scroll for the full table, the verdict FAQ, and links to ranked similar games for both titles.

Which should you pick?

Choose The Backrooms Project

Choose The Backrooms Project if you want a Strategy, Indie, and Adventure game with Multi-player, Steam Leaderboards, and PvP. On Steam, it has co-op, so you can bring a friend. The Backrooms Project launched in 2022.

Choose Dark DieMansion

Choose Dark DieMansion if it's the newer release (2026) and ships with the modern feature baseline. Dark DieMansion launched in 2026.

Both The Backrooms Project and Dark DieMansion sit in Action on Steam, so either pick lands in the same broad neighborhood. Use the side-by-side table for the feature view, or follow the "Games like" links below to see ranked alternatives for either title.

Side-by-side comparison

The Backrooms Project vs Dark DieMansion — Steam metadata comparison
The Backrooms Project — Steam game coverThe Backrooms ProjectDark DieMansion — Steam game coverDark DieMansion
Released20222026
GenresAction, Strategy, Indie, Adventure, Simulation, RPG, Casual, Early AccessAction
PlatformsWindows, LinuxWindows
Steam DeckUnratedUnrated
Price9.99 USDPrice unknown
Steam reviews74.7% positive (79 reviews)
MultiplayerMulti-player, Co-opSingle-player only
Developers3AM StudiosTempus Rift Games

Side by side

The Backrooms Project vs Dark DieMansion — FAQ

Should I play The Backrooms Project or Dark DieMansion first?
If you want chronology, The Backrooms Project (2022) came out before Dark DieMansion (2026). If neither is a sequel to the other, order doesn't really matter — start with whichever fits your current mood, since both share enough on Steam to make either a reasonable opener.
Are The Backrooms Project and Dark DieMansion similar?
They overlap on Action on Steam, so the catalogue groups them together — but "similar" depends on the specific mechanics. Use the genre + category rows above to decide whether the overlap matches what drew you to the one you've already played.
Does Dark DieMansion have multiplayer like The Backrooms Project?
No. The Backrooms Project supports multiplayer on Steam (Multi-player, Co-op), while Dark DieMansion is listed as single-player only.
The Backrooms Project vs Dark DieMansion (2026) · imho.run