Choose Backrooms: Lost
Choose Backrooms: Lost if you want an Adventure, Simulation, and RPG experience. Backrooms: Lost launched in 2024.
Backrooms: Lost vs Long Carnage
Backrooms: Lost and Long Carnage both land in Action, Indie, Early Access 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 share Action, Indie, Early Access on Steam. Backrooms: Lost (2024) is 2 years older than Long Carnage (2026). Both support cooperative play. 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 Long Carnage
Choose Long Carnage if you want the Custom Volume Controls, Stereo Sound, and Adjustable Difficulty side of the pairing. Long Carnage launched in 2026.
Both Backrooms: Lost and Long Carnage sit in Action, Indie, and Early Access on Steam and both list Multi-player, Online PvP, and Online Co-op, 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
 Backrooms: Lost |  Long Carnage | |
|---|---|---|
| Released | 2024 | 2026 |
| Genres | Action, Indie, Adventure, Simulation, RPG, Early Access | Action, Indie, Early Access |
| Platforms | Windows | Windows |
| Steam Deck | Unrated | Unrated |
| Price | Price unknown | Price unknown |
| Steam reviews | 45.5% positive (11 reviews) | — |
| Multiplayer | Multi-player, Online Co-op, Co-op | Multi-player, Online Co-op, Co-op |
| Developers | TuJi Game, MuMei Game design | Celestial Studio |
Side by side
- Both share Action, Indie, Early Access on Steam.
- Backrooms: Lost (2024) is 2 years older than Long Carnage (2026).
- Both support cooperative play.
Backrooms: Lost vs Long Carnage — FAQ
- Should I play Backrooms: Lost or Long Carnage first?
- If you want chronology, Backrooms: Lost (2024) came out before Long Carnage (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 Backrooms: Lost and Long Carnage similar?
- They overlap on Action, Indie, Early Access 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.
- Do both Backrooms: Lost and Long Carnage have co-op?
- Yes — both list a co-op category on Steam. Specifics differ: Backrooms: Lost ships Online Co-op, Co-op; Long Carnage ships Online Co-op, Co-op.