Single-player games like Infected Backrooms: Multiplayer
Below are 8 single-player Steam games similar to Infected Backrooms: Multiplayer, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.
Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Infected Backrooms: Multiplayer page.
Ranked picks
- 1

ELEVATED
Single-player alternative to Infected Backrooms: Multiplayer — playable solo, no multiplayer required. Shares Action and Indie with Infected Backrooms: Multiplayer.
ELEVATED is a multiplayer (8 vs. 1) thriller action game where eight death row inmates try to complete the given tasks to gain their freedom while being chased by the 4th horseman of the apocalypse, "The Death".
- 2

Over The Top: WWI
Single-player alternative to Infected Backrooms: Multiplayer — playable solo, no multiplayer required. Shares Action and Indie with Infected Backrooms: Multiplayer.
Join 200-player battles in Over The Top: WWI - an intense shooter set in the gritty backdrop of World War I. Pick your class, choose from a vast arsenal, including rifles, artillery, airplanes and powerful tanks, and experience the chaos of fully destructible battlefields.
- 3

Morte Accendere
Single-player alternative to Infected Backrooms: Multiplayer — playable solo, no multiplayer required. Shares Action and Indie with Infected Backrooms: Multiplayer.
A sci-fi zombie infected third or first person action with elements of parkour, combat with weapons or hand to hand, many modes of transportation. Ability to craft items and build your safe zone.
- 4

灭顶之灾—救赎
Single-player alternative to Infected Backrooms: Multiplayer — playable solo, no multiplayer required. Shares Action and Indie with Infected Backrooms: Multiplayer.
crowning calamityd is an online multiplayer shooter game with cooperative PVE and player-versus-player modes
- 5

Brutal Rifters
Single-player alternative to Infected Backrooms: Multiplayer — playable solo, no multiplayer required. Shares Action with Infected Backrooms: Multiplayer.
Embark on an adventure with Marcus and Lunatea through various universes conquered by the forces of the dark god in search of the goddess who can stop him and face your friends in a frantic multiplayer mode for up to four players with a wide assortment of characters with unique abilities.
- 6

Deliria
Single-player alternative to Infected Backrooms: Multiplayer — playable solo, no multiplayer required. Shares Action and Indie with Infected Backrooms: Multiplayer.
Fight, build, and conquer wonders in a thrilling infinite 3D sandbox. An adventure without cubes! Play solo or with friends in PvP, co-op, or creative mode—backed by 20+ original soundtracks.
- 7

Decisive Strike
Single-player alternative to Infected Backrooms: Multiplayer — playable solo, no multiplayer required. Shares Action and Indie with Infected Backrooms: Multiplayer.
A sci-fi team-based Third Person Shooter where strategy is as important as your reflexes.
- 8

Fadeout: Underground
Single-player alternative to Infected Backrooms: Multiplayer — playable solo, no multiplayer required. Shares Action and Indie with Infected Backrooms: Multiplayer.
Fadeout: Underground is a classic-style Third-Person online multiplayer shooter.