IMHO.

Games like Alien Hallway

If Alien Hallway is your kind of game, the closest matches are Swarming Planet, SYNCHRONIZERS: UNDEAD MARINES and Braverz — picked from the ranked list below. Reviewers single out its replayable with permanent upgrades, challenging and retro. 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 Alien Hallway: Players measure stamina with a never-ending stream of green creatures within the borders of a special military mission.

2011ActionStrategyIndieCasual4.99 USDWindowsby Sigma Team Inc.
Alien Hallway — Steam game cover
Players highlight
Overpowering enemies with sheer numbersQuick pick up and play sessionsReplayable with permanent upgradesChallengingRetroStressful

Players who liked Alien Hallway also play

Steam players who put hours into Alien Hallway 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. Swarming Planet

    WHY THIS

    Top pick for Alien Hallway fans by collaborative filtering across millions of Steam libraries. Shares Strategy with Alien Hallway.

    Build towers and learn abilities to defend against swarms of hundreds of on-screen hostile alien creatures. Choose between sets of randomized upgrades that both upgrade you and the alien swarm. From enormous explosions to far-reaching flamethrowers, no two games are the same.

    2021Strategy7.99 USDSteam ↗
  2. SYNCHRONIZERS: UNDEAD MARINES

    WHY THIS

    Second-strongest match for Alien Hallway fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Alien Hallway.

    "SYNCHRONIZERS: UNDEAD MARINES" blends high-quality Three-Lane Tower Defense with Reverse Tower Defense gameplay. Command your units in a thrilling narrative reminiscent of a StarCraft and Plants Vs. Zombies fusion! Your choices will forge the path to victory—or defeat.

    ActionStrategyIndieSteam ↗
  3. Braverz

    WHY THIS

    Third-strongest match for Alien Hallway fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Alien Hallway.

    Braverz is a co-op third person MOBA game that incorporates elements of tower defense and base building. Choose from a variety of champions, each with its unique play style and skills. Upgrade your base structures, weapons and skills while pushing back the invaders…are you Brave enough?

    2020ActionStrategyIndie0.99 USDSteam ↗
  4. Vermin Control

    WHY THIS

    Ranked #4 for Alien Hallway fans by collaborative filtering across millions of Steam libraries. Shares Strategy and Indie with Alien Hallway.

    In Vermin Control, you will enter a thrilling sci-fi tower defense world filled with strategic combat and high tension. Operate a versatile unit capable of both melee combat and construction, deploy and manage 9 unique devices, and protect key facilities from relentless vermin assaults.

    2025StrategyIndieCasual2.99 USDSteam ↗
  5. Starfall Defenders

    WHY THIS

    Ranked #5 for Alien Hallway fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Alien Hallway.

    Starfall Defenders is a classic tower defense game that features unique towers and enemies. It also has an in-game shop system that allows players to purchase better towers, upgrade existing ones, and buy special items like the Atom Bomb, Splash Bomb, and Air Supply.

    2025ActionStrategy2.99 USDSteam ↗
  6. Planetary Defense: An Orbital Turret Defense System

    WHY THIS

    Ranked #6 for Alien Hallway fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Alien Hallway.

    2D space shooter and turret defense come together to create the Planetary Defense System this world needs! Shoot down asteroids and aliens and survive the bosses in this arcade like game featuring customizable satellites, projectiles, and upgradable Cannon and Planet Shield systems.

    2022ActionStrategyIndie1.99 USDSteam ↗
  7. Unstoppable Gorg

    WHY THIS

    Shares a challenging mood with Alien Hallway.

    Ranked #7 for Alien Hallway fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Alien Hallway.

    Defend the solar system from fearsome aliens by sending satellites into orbit in revolutionary tower defense action!

    2012ActionStrategyIndie9.99 USDSteam ↗
  8. MannyTD

    WHY THIS

    Ranked #8 for Alien Hallway fans by collaborative filtering across millions of Steam libraries. Shares Action and Strategy with Alien Hallway.

    Manny TD is a hybrid tower defense and third-person shooter with random in game elements. Join and get your personal high score!

    2022ActionStrategyEarly Access2.99 USDSteam ↗

Reviewers mention these as similar to Alien Hallway

Surfaced from review text: when other players write 'if you liked X, try Y', we catch the name and resolve it back to a Steam game.

  1. X-COM: UFO Defense

    WHY THIS

    Shares a stressful mood with Alien Hallway.

    Reviewers of Alien Hallway cross-mention this title as a similar play. Shares Strategy with Alien Hallway.

    You are in control of X-COM: an organization formed by the world's governments to fight the ever-increasing alien menace.

    2008Strategy4.99 USDSteam ↗
  2. Alien Shooter

    WHY THIS

    Shares a retro mood with Alien Hallway.

    Reviewers of Alien Hallway cross-mention this title as a similar play. Shares Action and Indie with Alien Hallway.

    The endless darkness and the somber, long passages of a military complex have become the abode of evil, thousands of blood-thirsty creatures fill its offices, storehouses and mysterious laboratories. About 1,000 monsters on each map, showing up to 100 monsters simultaneously on one playing screen.

    2009ActionIndieRPG4.99 USDSteam ↗
  3. The Elder Scrolls V: Skyrim

    WHY THIS

    Reviewers of Alien Hallway cross-mention this title as a similar play.

    EPIC FANTASY REBORN The next chapter in the highly anticipated Elder Scrolls saga arrives from the makers of the 2006 and 2008 Games of the Year, Bethesda Game Studios. Skyrim reimagines and revolutionizes the open-world fantasy epic, bringing to life a complete virtual world open for you to explore any way you choose.

    2011RPG19.99 USDDeck PlayableSteam ↗
  4. Idle Civilization

    WHY THIS

    Shares a challenging mood with Alien Hallway.

    Reviewers of Alien Hallway cross-mention this title as a similar play. Shares Strategy and Indie with Alien Hallway.

    Take command of a pair of villagers and help them build a mighty civilization that will spread across the world and conquer it. Idle Civilization is a civilization builder management game where you will oversee the growth of your people into a mighty kingdom through building, research, warfare, religion, diplomacy, culture, heroic...

    2015StrategyIndieSimulation4.99 USDSteam ↗
  5. The Elder Scrolls V: Skyrim Special Edition

    WHY THIS

    Reviewers of Alien Hallway cross-mention this title as a similar play.

    Winner of more than 200 Game of the Year Awards, The Elder Scrolls V: Skyrim Special Edition brings the epic fantasy to life in stunning detail. The Special Edition includes the critically acclaimed game and add-ons with all-new features.

    2016RPG39.99 USDSteam ↗
  6. Dragon Rage

    WHY THIS

    Reviewers of Alien Hallway cross-mention this title as a similar play. Shares Action and Indie with Alien Hallway.

    Fast-paced destruction! Tear the #!@$ out of a mountain-top village as the King sends out his royal army to try to stop you and protect his kingdom. The more villagers you devour, the stronger you get. Fill your belly and enter Rampage Mode where you can unleash mass destruction!

    2016ActionIndieCasual6.99 USDDeck PlayableSteam ↗

Cheaper alternatives

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

  1. POSTAL 2

    WHY THIS

    Priced ~80% under Alien Hallway on Steam right now. Shares Action and Indie with Alien Hallway.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSteam ↗
  2. The Test

    WHY THIS

    Priced ~60% under Alien Hallway on Steam right now. Shares Indie with Alien Hallway.

    You will answer a series of questions that will reveal truths from deep within. These questions may make you uncomfortable, but with great knowledge comes great sacrifice. Can you make it all the way through The Test, and if you do, are you sure you want the answers you seek?

    2020IndieAdventureSimulation1.99 USDDeck VerifiedSteam ↗
  3. Milk inside a bag of milk inside a bag of milk

    WHY THIS

    Priced ~70% under Alien Hallway on Steam right now. Shares Indie with Alien Hallway.

    A short story about what sort of challenges everyday little things can be. Help the girl buy milk, be the first not to disappoint her.

    2020IndieAdventure1.49 USDDeck PlayableSteam ↗
  4. Blood and Bacon

    WHY THIS

    Priced ~80% under Alien Hallway on Steam right now. Shares Action and Casual with Alien Hallway.

    This Co-op Shooter , has Day and Night levels, multiple maps, players will take on 25 enemy types and numerous bosses, like Gargantuan Monsters and Minibosses every 10 days as you explore, shoot and run for your life against the onslaught of porcine monstrosities.

    2016ActionAdventureCasual0.99 USDSteam ↗
  5. Placid Plastic Duck Simulator

    WHY THIS

    Priced ~60% under Alien Hallway on Steam right now. Shares Casual with Alien Hallway.

    The ultimate high-tech rubber duck simulation, Placid Plastic Duck brings you dangerous levels of relaxation. With chill music, dreamy 3D graphics, and many different happy ducks, your only priority is to float around. Zero Ducks given.

    2022SimulationCasual1.99 USDDeck VerifiedSteam ↗
  6. Peggle Deluxe

    WHY THIS

    Priced ~80% under Alien Hallway on Steam right now. Shares Casual with Alien Hallway.

    Take your best shot with energizing arcade fun! Aim, shoot, clear the orange pegs, then sit back and cheer as 10 whimsical teachers guide you to Peggle greatness.

    2007Casual0.99 USDDeck PlayableSteam ↗
  7. STAR WARS™ Republic Commando™

    WHY THIS

    Priced ~50% under Alien Hallway on Steam right now. Shares Action with Alien Hallway.

    You are the leader of an elite squad of Republic Commandos, your mission is to infiltrate, dominate, and ultimately, annihilate the enemy. Your squad will follow your orders and your lead, working together as a team - instinctively, intelligently, instantly. You are their leader. They are your weapon.

    2009Action2.49 USDDeck PlayableSteam ↗
  8. shapez

    WHY THIS

    Priced ~80% under Alien Hallway on Steam right now. Shares Strategy and Indie with Alien Hallway.

    shapez is an easy-going, minimalistic factory building game about the automation of shapes through extraction and satisfying production lines. Adapt to increasingly complex shapes and grow your factory across an infinitely expanding map. Your only limitation is your creativity!

    2020StrategyIndieSimulation0.99 USDDeck PlayableSteam ↗

Free alternatives

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

  1. Ultimate Custom Night

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Alien Hallway.

    Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!

    2018ActionIndieFree To PlayFreeSteam ↗
  2. ENA: Dream BBQ

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie with Alien Hallway.

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

    2025IndieAdventureFreeDeck VerifiedSteam ↗
  3. The Murder of Sonic the Hedgehog

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Indie and Casual with Alien Hallway.

    Sonic the Hedgehog...was murdered!? Get to the bottom of the mystery in this brand-new adventure!

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  4. Indigo Park: Chapter 1

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Alien Hallway.

    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 ↗
  5. STRAFTAT

    WHY THIS

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

    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 ↗
  6. Counter-Strike:Global Offensive

    WHY THIS

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

    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. Awaria

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Alien Hallway.

    Awaria is a short game about working in haunted maintenance tunnels.

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  8. The Expendabros

    WHY THIS

    Free-to-play pick from the same recommendation pool — no purchase to try it. Shares Action and Indie with Alien Hallway.

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedSteam ↗

More from Sigma Team Inc.

Other recommendable Steam games by Sigma Team Inc., ranked by review count so the studio's hits land first.

  1. Alien Shooter

    WHY THIS

    Shares a retro mood with Alien Hallway.

    Another title from Sigma Team Inc., the studio behind Alien Hallway. Shares Action and Indie with Alien Hallway.

    The endless darkness and the somber, long passages of a military complex have become the abode of evil, thousands of blood-thirsty creatures fill its offices, storehouses and mysterious laboratories. About 1,000 monsters on each map, showing up to 100 monsters simultaneously on one playing screen.

    2009ActionIndieRPG4.99 USDSteam ↗
  2. Alien Shooter 2: Reloaded

    WHY THIS

    Shares a tense mood with Alien Hallway.

    Another title from Sigma Team Inc., the studio behind Alien Hallway. Shares Action and Indie with Alien Hallway.

    This is the unique alloy of arcade action and RPG elements which combines well-established world of classical games and unmatched dynamics of the first part.

    2009ActionIndieRPG4.99 USDDeck PlayableSteam ↗
  3. Alien Shooter 2 - The Legend

    WHY THIS

    Shares a stressful mood with Alien Hallway.

    Another title from Sigma Team Inc., the studio behind Alien Hallway. Shares Action and Indie with Alien Hallway.

    Meet the completely reworked legendary game loved by millions of players worldwide! Alien Shooter 2 - the Legend is an ambitious follow-up to the famous Alien Shooter series.

    2020ActionIndieRPG14.99 USDSteam ↗
  4. Zombie Shooter

    WHY THIS

    Shares a retro mood with Alien Hallway.

    Another title from Sigma Team Inc., the studio behind Alien Hallway. Shares Action and Indie with Alien Hallway.

    The human race is in danger again. This time scientists could not cope the imminent threat and became monsters themselves. Crowds of zombie people filled the secret research base. The dreadful contagion is about to spread earth wide. Use the last chance to save the humanity from total annihilation!

    2009ActionIndieRPG4.99 USDSteam ↗
  5. Alien Shooter TD

    WHY THIS

    Shares a retro mood with Alien Hallway.

    Another title from Sigma Team Inc., the studio behind Alien Hallway. Shares Action and Strategy with Alien Hallway.

    Innovative Tower Defense inspired by legendary Alien Shooter series! The game was created in keeping with the best traditions of Sigma`s games, no concessions of any kind - everything is just like in real life!

    2017ActionStrategyIndie9.99 USDSteam ↗
  6. Alien Shooter: Revisited

    WHY THIS

    Shares a tense mood with Alien Hallway.

    Another title from Sigma Team Inc., the studio behind Alien Hallway. Shares Action and Indie with Alien Hallway.

    Crowds of blood-thirsty monsters, crawling from every corner of the secret research base. Gloomy basements and modern labs, darkness changing into blazing bulbs. The only usual thing is: you're in a bad place alone, and there's no one to help you!

    2009ActionIndieRPG4.99 USDSteam ↗
  7. Zombie Shooter 2

    WHY THIS

    Shares a retro mood with Alien Hallway.

    Another title from Sigma Team Inc., the studio behind Alien Hallway. Shares Action and Indie with Alien Hallway.

    Just choose a character to the liking, get experience to develop skills, earn money and spend it at weapons, medications and useful devices. All of this will be used against thousands of enemies. The zombies fill the game screen, never letting you rest, even for a minute.

    2009ActionIndieRPG9.99 USDSteam ↗
  8. Alien Shooter 2 Conscription

    WHY THIS

    Shares a retro mood with Alien Hallway.

    Another title from Sigma Team Inc., the studio behind Alien Hallway. Shares Action and Indie with Alien Hallway.

    The Great War has begun! The world population capable of functioning is mobilized to serve in the army and the outcome depends on you!

    2012ActionIndieRPG9.99 USDSteam ↗

Frequently asked about Alien Hallway

How much does Alien Hallway cost?
Alien Hallway is listed on Steam at 4.99 USD (current store price; Steam sales may reduce this temporarily).
What games are most similar to Alien Hallway?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Alien Hallway are Swarming Planet, SYNCHRONIZERS: UNDEAD MARINES, Braverz.
Who developed Alien Hallway?
Alien Hallway was developed by Sigma Team Inc..

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 Alien Hallway.

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