Single-player games like REDDOOR
Below are 8 single-player Steam games similar to REDDOOR, 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 REDDOOR page.
Ranked picks
- 1
Deadzone Haunt
Single-player alternative to REDDOOR — playable solo, no multiplayer required. Shares Action and Indie with REDDOOR.
Deadzone Haunt is a wave-based First-Person Zombie Shooter. Customize your loadout, upgrade weapons, and use perks & power-ups to dominate the demons. Experience smooth movement, satisfying gunplay, and a new approach to weapon camo customization.
- 2
CARNAGE OFFERING
Single-player alternative to REDDOOR — playable solo, no multiplayer required. Shares Action with REDDOOR.
Ultra fast-paced sci-fi FPS where you battle waves of robots and genetically engineered creatures. Upgrade your arsenal, unleash explosive physics, and survive relentless combat.
- 3
DOOM Eternal
Single-player alternative to REDDOOR — playable solo, no multiplayer required. Shares Action with REDDOOR.
Hell’s armies have invaded Earth. Become the Slayer in an epic single-player campaign to conquer demons across dimensions and stop the final destruction of humanity. The only thing they fear... is you.
- 4
Putrefaction
Single-player alternative to REDDOOR — playable solo, no multiplayer required. Shares Action and Indie with REDDOOR.
Putrefaction is a First Person Shooter with horror elements, lots of enemies and weapons, heavily inspired by old-school shooter classics.
- 5
F.E.A.R. 3
Single-player alternative to REDDOOR — playable solo, no multiplayer required. Shares Action with REDDOOR.
F.E.A.R. 3 delivers all the hallmarks that define the F.E.A.R. brand: terrifying paranormal experience, frenetic combat and a dramatic storyline.
- 6
Dead Effect
Single-player alternative to REDDOOR — playable solo, no multiplayer required. Shares Action and Indie with REDDOOR.
Fight for your life in the INDIE SCI-FI FPS game fit for both casual and hard-core gamers with a passion for hunting down hordes of zombies. Prepare yourselves for the incoming nightmare!
- 7
Zombie Army Trilogy
Single-player alternative to REDDOOR — playable solo, no multiplayer required. Shares Action with REDDOOR.
The cult horror shooter series comes to an apocalyptic conclusion with an epic new third chapter, a heart-pumping new horde mode, and remastered editions of the best-selling Nazi Zombie Army 1 & 2.
- 8
Turbo Overkill
Single-player alternative to REDDOOR — playable solo, no multiplayer required. Shares Action and Indie with REDDOOR.
Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!