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
Ultra Form Alpha
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
A short single player fps shooter game. Simply take your weapon and make it to the end. Enjoy the chaos and action.
- 2
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!
- 3
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.
- 4
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.
- 5
GAL VS VILLAGE
Single-player alternative to Corridor Sigma — playable solo, no multiplayer required. Shares Action with Corridor Sigma.
GAL VS VILLAGE is an GAL like old-school FPS. You play as Kessenji “Blood-sucker” Yui, infiltrate the village, and must bring the situation under control. Move at high speed, swing your knife, blast away with the shotgun, and drive away the supernatural!!!!!!
- 6
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.
- 7
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.
- 8
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".