Single-player games like Corridor Sigma
Below are 8 single-player Steam games similar to Corridor Sigma, 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 Corridor Sigma page.
Ranked picks
- 1
Nevedomo
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
Nevedomo is a dynamic arena first-person shooter with a Zetlex robot. Future. Two warring factions Bullets and Rockets participate in deadly competitions under the leadership of the Texer Force Corporation in order to capture the world's resources. Have a good fight!
- 2
Chasm: The Rift
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
Prepare for terror in this ground-breaking classic old-school FPS. Following the destruction of Time you are left to battle in this horrific hellhole of multilevel interconnected missions populated by gruesome grotesque creatures.
- 3
DOOM II
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
Hell has invaded Earth, and to save it, you must battle mightier demons with even more powerful weapons. This beloved sequel to the groundbreaking DOOM (1993) introduced players to the brutal Super Shotgun, the infamous Icon of Sin boss, and more intense FPS action.
- 4
CyClones
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
CyClones is a first-person shooter (FPS) classic from the 90s that challenges players to explore maze-like environments and take down flesh-steel monstrosities using an impressive arsenal of hi-tech weaponry.
- 5
CARNAGE OFFERING
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
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.
- 6
Slayers X: Terminal Aftermath: Vengance of the Slayer
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
So.... got what it takes to be a X Slayer?!?... 7 weapons, blood and gore, twisted music by Seepage & Psyko Syndikate, and maps where you can blow up everything. its awesome. started making it in 1998 in high school with my friend and now im 37, so i have life experience now.
- 7
The Apogee Throwback Pack
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
The Apogee Throwback Pack is a collection of four classic Apogee Software titles all in one kick ass package. Blast your way across the galaxy as British Special Agent Blake Stone in "Aliens of Gold" and "Planet Strike", then take on an ancient evil menace as the H.U.N.T in "Rise of the Triad".
- 8
Warhammer 40,000: Boltgun
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
Load up your Boltgun and unleash the awesome Space Marine arsenal to blast your way through an explosion of sprites, pixels and blood in a perfect blend of Warhammer 40,000, frenetic gameplay and the stylish visuals of 90’s retro shooters.