IMHO.

Games like Corridor Sigma

If Corridor Sigma is your kind of game, the closest matches are Nevedomo, Chasm: The Rift and DOOM II — picked from the ranked list below. Each pick is ranked by what players of this game also play, shared genres and tags, and review-mined similarity — not a generic popularity list.

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About Corridor Sigma: 90's-style first-person shooter set in a large alien base filled with angry monsters.

2022Action0.99 USDWindowsby Matt Aufderheide
Corridor Sigma — Steam game cover

Players who liked Corridor Sigma also play

Steam players who put hours into Corridor Sigma also tend to own these titles — a signal called collaborative filtering. imho.run cross-references millions of library ownership patterns to surface games whose real audiences overlap, regardless of whether their genre tags match.

  1. Nevedomo

    WHY THIS

    Top pick for Corridor Sigma fans by collaborative filtering across millions of Steam libraries. 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!

    2022ActionIndie0.99 USDSteam ↗
  2. Chasm: The Rift

    WHY THIS

    Second-strongest match for Corridor Sigma fans by collaborative filtering across millions of Steam libraries. 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.

    2022Action19.99 USDSteam ↗
  3. DOOM II

    WHY THIS

    Third-strongest match for Corridor Sigma fans by collaborative filtering across millions of Steam libraries. 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.

    2007ActionDeck VerifiedSteam ↗
  4. CyClones

    WHY THIS

    Ranked #4 for Corridor Sigma fans by collaborative filtering across millions of Steam libraries. 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.

    2023Action5.99 USDSteam ↗
  5. CARNAGE OFFERING

    WHY THIS

    Ranked #5 for Corridor Sigma fans by collaborative filtering across millions of Steam libraries. 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.

    2022ActionAdventure9.99 USDSteam ↗
  6. Slayers X: Terminal Aftermath: Vengance of the Slayer

    WHY THIS

    Ranked #6 for Corridor Sigma fans by collaborative filtering across millions of Steam libraries. 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.

    2023Action16.99 USDDeck VerifiedSteam ↗
  7. The Apogee Throwback Pack

    WHY THIS

    Ranked #7 for Corridor Sigma fans by collaborative filtering across millions of Steam libraries. 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".

    2013Action9.99 USDSteam ↗
  8. Warhammer 40,000: Boltgun

    WHY THIS

    Ranked #8 for Corridor Sigma fans by collaborative filtering across millions of Steam libraries. 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.

    2023ActionIndie21.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

Games in the same vein priced at least 40% below Corridor Sigma at current Steam store prices.

  1. UBERMOSH

    WHY THIS

    Priced ~51% under Corridor Sigma on Steam right now. Shares Action with Corridor Sigma.

    UBERMOSH is an arcade game about cutting bullets with a sword, in a gun-filled cyberpunk mosh pit.

    2015ActionIndie0.49 USDDeck VerifiedSteam ↗
  2. Miss Neko

    WHY THIS

    Priced ~51% under Corridor Sigma on Steam right now. Shares Action with Corridor Sigma.

    Together the full picture of all the lovely beast ladies with your own hands, play Yakyuken with them, collect their portraits. Hope you have a relaxing and enjoyable game time:)

    2019ActionCasual0.49 USDDeck PlayableSteam ↗
  3. QUICKERFLAK

    WHY THIS

    Priced ~51% under Corridor Sigma on Steam right now. Shares Action with Corridor Sigma.

    QUICKERFLAK is an experimental fast-paced time-attack top-down combat retro-hardcore minigame, that can be finished in a minute.

    2022ActionIndieAdventure0.49 USDDeck VerifiedSteam ↗
  4. Gachi Heroes

    WHY THIS

    Priced ~51% under Corridor Sigma on Steam right now. Shares Action with Corridor Sigma.

    Gachi Heroes is a game about the dark fantasies. That's amazing an endlass journey in which you will know yourself with your favorite gachimuchi characters. How deep would you go?

    2018ActionIndieAdventure0.49 USDDeck VerifiedSteam ↗
  5. Trip to Vinelands

    WHY THIS

    Priced ~51% under Corridor Sigma on Steam right now. Shares Action with Corridor Sigma.

    Trip to Vinelands is an arcade retro hardcore maze wanderer minigame.

    2016ActionIndie0.49 USDDeck VerifiedSteam ↗
  6. TTV2

    WHY THIS

    Priced ~51% under Corridor Sigma on Steam right now. Shares Action with Corridor Sigma.

    TTV2 is an arcade retro hardcore maze wanderer minigame, sequel to Trip to Vinelands.

    2017ActionIndie0.49 USDSteam ↗
  7. Shotgun Legend

    WHY THIS

    Priced ~51% under Corridor Sigma on Steam right now. Shares Action with Corridor Sigma.

    Eugene must battle aliens and the undead in search of a truck rim, as it seems to be his ticket home.

    2018ActionIndieRPG0.49 USDSteam ↗
  8. Love wish

    WHY THIS

    Priced ~51% under Corridor Sigma on Steam right now. Shares Action with Corridor Sigma.

    Love Wish is an easy, fun and challenging jigsaw puzzle.♪(^∇^*) Put the pieces together to restore the full picture of the girls. Collect their photos and animations and remember this wonderful moment❤

    2020ActionIndieCasual0.49 USDDeck VerifiedSteam ↗

Free alternatives

Free-to-play games that recommended players of this title also tend to enjoy.

  1. Doki Doki Literature Club!

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    The Literature Club is full of cute girls! Will you write the way into their heart? This game is not suitable for children or those who are easily disturbed.

    2017IndieFree To PlayCasualFreeDeck PlayableSteam ↗
  2. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    Experience surreal environments and inexplicable characters as ENA in a new wild world.

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  3. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Corridor Sigma.

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableSteam ↗
  4. STRAFTAT

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Corridor Sigma.

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableSteam ↗
  5. The Looker

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it.

    You wake up, alone, on a strangely familiar island full of puzzles that will frustrate and annoy you.

    2022IndieFreeDeck PlayableSteam ↗
  6. Counter-Strike:Global Offensive

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Corridor Sigma.

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableSteam ↗
  7. Iron Snout

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Corridor Sigma.

    Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.

    2016ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  8. Star Fetchers

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action with Corridor Sigma.

    The introduction to a wild ride with gangsters and deep state conspiracy theories

    2020ActionIndieAdventureFreeDeck PlayableSteam ↗

Plays great on Steam Deck

Valve-Verified or Playable picks from the similar pool — ready to go on Deck out of the box.

  1. DOOM II

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. 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.

    2007ActionDeck VerifiedSteam ↗
  2. Slayers X: Terminal Aftermath: Vengance of the Slayer

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. 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.

    2023Action16.99 USDDeck VerifiedSteam ↗
  3. Warhammer 40,000: Boltgun

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. 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.

    2023ActionIndie21.99 USDDeck VerifiedSteam ↗

Frequently asked about Corridor Sigma

How much does Corridor Sigma cost?
Corridor Sigma is listed on Steam at 0.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Corridor Sigma?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Corridor Sigma are Nevedomo, Chasm: The Rift, DOOM II.
Who developed Corridor Sigma?
Corridor Sigma was developed by Matt Aufderheide and published by SA Industry.

imho.run ranks Steam game alternatives using a mix of collaborative filtering (ALS / iALS / EASE / LightGCN), content scoring over genres, categories, Steam tags, developers, and publishers, plus AI-extracted vibes mined from review text. The page above is generated in seed mode anchored on Corridor Sigma.

For library-aware picks tuned to your specific taste, sign in with Steam on the home page.

27 Games Like Corridor Sigma — Ranked for 2026 · imho.run