IMHO.

Games like OVERWHELM

If OVERWHELM is your kind of game, the closest matches are Chronac: Escape, NIPH and Spelunky 2 — picked from the ranked list below. Reviewers single out its enemies spawn off screen, oppressive atmosphere builds dread and atmospheric. 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 OVERWHELM: You're outnumbered, low on ammunition and the paranoia sets in. This is an action horror-world where enemies get power-ups and you don’t.

2018ActionIndie9.99 USDDeck PlayableWindows · macOSby Ruari O'Sullivan
OVERWHELM — Steam game cover
Players highlight
Bosses upgrade instead of youEnemies spawn off screenOppressive atmosphere builds dreadAtmosphericImmersiveStressful

Players who liked OVERWHELM also play

Steam players who put hours into OVERWHELM 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. Chronac: Escape

    WHY THIS

    Top pick for OVERWHELM fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OVERWHELM.

    CHRONAC! The roguelike action game where you shoot, slash, blast your way out the facility that created you. Gain powerful upgrades, face unforgiving enemies. Together.

    2020ActionIndie4.99 USDSteam ↗
  2. NIPH

    WHY THIS

    Second-strongest match for OVERWHELM fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OVERWHELM.

    NIPH is a stylish roguelite platformer with risky and intense combat. Slash, shoot, and learn and cast spells with more varied items as you explore a vast and diverse fantasy world!

    ActionIndieAdventureSteam ↗
  3. Spelunky 2

    WHY THIS

    Shares a stressful mood with OVERWHELM.

    Third-strongest match for OVERWHELM fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OVERWHELM.

    Spelunky 2 builds upon the unique, randomized challenges that made the original a roguelike classic, offering a huge adventure designed to satisfy players old and new. Meet the next generation of explorers as they find themselves on the Moon, searching for treasure and missing family.

    2020ActionIndie19.99 USDDeck VerifiedSteam ↗
  4. Slime-san: Superslime Edition

    WHY THIS

    Ranked #4 for OVERWHELM fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OVERWHELM.

    Slime-san was minding his own business when suddenly… A giant worm appeared and gobbled him up! Deep within the worm’s belly, Slime-san has to face a decision: Be digested by the incoming wall of stomach acid... Or jump, slide and slime his way through the worm and back out its mouth!

    2017ActionIndieAdventure14.99 USDDeck PlayableSteam ↗
  5. Spelunky

    WHY THIS

    Shares a tense mood with OVERWHELM.

    Ranked #5 for OVERWHELM fans by collaborative filtering across millions of Steam libraries. Shares Indie with OVERWHELM.

    Spelunky is a unique platformer with randomized levels that offer a challenging new experience each time you play. Journey deep underground and explore fantastic places filled with all manner of monsters, traps, and treasure.

    2013Indie14.99 USDDeck VerifiedSteam ↗
  6. Catacomb Kids

    WHY THIS

    Shares an atmospheric mood with OVERWHELM.

    Ranked #6 for OVERWHELM fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OVERWHELM.

    Catacomb Kids is a brutal platformer roguelike that pits you against the deadly Catacombs aided only by magic, steel, and your quick reflexes. Traverse procedurally generated dungeons and hack, slash, burn, and blast your way through hordes of things that want to kill you.

    2015ActionIndieRPG15.99 USDDeck VerifiedSteam ↗
  7. Space Cat

    WHY THIS

    Ranked #7 for OVERWHELM fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OVERWHELM.

    Space Cat is a 2D arcade-style platformer where the player(s) must collect as much loot as possible while surviving the asteroid terrain, which is constantly being destroyed and regenerated by hazards. There is also a side-scrolling Adventure Mode, and a VS Battle Mode.

    2016ActionIndieAdventure4.99 USDSteam ↗
  8. OUTBUDDIES DX

    WHY THIS

    Shares an atmospheric mood with OVERWHELM.

    Ranked #8 for OVERWHELM fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with OVERWHELM.

    Run, gun and explore an open undercity in this otherworldly non-linear Metroidvania adventure about the Old Gods, strange creatures and the remnants of a lost world!

    2019ActionIndieAdventure17.99 USDDeck VerifiedSteam ↗

Reviewers mention these as similar to OVERWHELM

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. Mega Man Legacy Collection

    WHY THIS

    Reviewers of OVERWHELM cross-mention this title as a similar play. Shares Action with OVERWHELM.

    Mega Man Legacy Collection is a celebration of the 8-bit history of Capcom’s iconic Blue Bomber featuring faithful reproductions of the series’ origins with the original six Mega Man games.

    2015Action14.99 USDDeck VerifiedSteam ↗
  2. Mega Man X Legacy Collection

    WHY THIS

    Reviewers of OVERWHELM cross-mention this title as a similar play. Shares Action with OVERWHELM.

    Mega Man X Legacy Collection includes the legendary 16-bit titles and the series’ exciting foray into the 32-bit era: Mega Man X, Mega Man X2, Mega Man X3, and Mega Man X4. Test your skills in the new X Challenge mode, which pits players against two deadly bosses at once.

    2018Action19.99 USDSteam ↗
  3. METAL GEAR & METAL GEAR 2: Solid Snake

    WHY THIS

    Shares an atmospheric mood with OVERWHELM.

    Reviewers of OVERWHELM cross-mention this title as a similar play. Shares Action with OVERWHELM.

    The first and second title in the METAL GEAR series that established the stealth action genre, as well as the basic mechanics of the series.

    2023Action19.99 USDDeck VerifiedSteam ↗
  4. Metroidvania Maker

    WHY THIS

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

    Create, play, and share custom Metroidvania worlds with a built-in world editor, co-op play, and player-made adventures.

    ActionIndieAdventureSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~50% under OVERWHELM on Steam right now. Shares Indie with OVERWHELM.

    Garry's Mod is a physics sandbox. There aren't any predefined aims or goals. We give you the tools and leave you to play.

    2006IndieSimulationCasual4.99 USDDeck PlayableSteam ↗
  2. Vampire Survivors

    WHY THIS

    Priced ~50% under OVERWHELM on Steam right now. Shares Action and Indie with OVERWHELM.

    Mow down thousands of night creatures and survive until dawn! Vampire Survivors is a gothic horror casual game with rogue-lite elements, where your choices can allow you to quickly snowball against the hundreds of monsters that get thrown at you. Be the bullet hell!

    2022ActionIndieRPG4.99 USDDeck VerifiedSteam ↗
  3. Titanfall® 2

    WHY THIS

    Priced ~55% under OVERWHELM on Steam right now. Shares Action with OVERWHELM.

    Respawn Entertainment gives you the most advanced titan technology in its new, single player campaign & multiplayer experience. Combine & conquer with new titans & pilots, deadlier weapons, & customization and progression systems that help you and your titan flow as one unstoppable killing force.

    2020Action4.49 USDDeck PlayableSteam ↗
  4. Cookie Clicker

    WHY THIS

    Priced ~50% under OVERWHELM on Steam right now. Shares Indie with OVERWHELM.

    An idle game about making cookies! Originally released in 2013 on the web, and actively developed since then. This is the official version for Steam.

    2021StrategyIndieSimulation4.99 USDDeck PlayableSteam ↗
  5. WEBFISHING

    WHY THIS

    Priced ~50% under OVERWHELM on Steam right now. Shares Indie with OVERWHELM.

    WEBFISHING a multiplayer chatroom-focused fishing game! Relax and fish (on the web!)

    2024IndieMassively MultiplayerCasual4.99 USDSteam ↗
  6. POSTAL 2

    WHY THIS

    Priced ~90% under OVERWHELM on Steam right now. Shares Action and Indie with OVERWHELM.

    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 ↗
  7. Buckshot Roulette

    WHY THIS

    Priced ~70% under OVERWHELM on Steam right now. Shares Action and Indie with OVERWHELM.

    Play Russian roulette with a 12-gauge shotgun. Four enter. One leaves. Roll the dice with your life. Good luck!

    2024ActionIndieSimulation2.99 USDDeck PlayableSteam ↗
  8. Brotato

    WHY THIS

    Priced ~50% under OVERWHELM on Steam right now. Shares Action and Indie with OVERWHELM.

    Brotato is a top-down arena shooter roguelite where you play a potato wielding up to 6 weapons at a time to fight off hordes of aliens. Choose from a variety of traits and items to create unique builds and survive until help arrives.

    2023ActionIndieRPG4.99 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. Shares Indie with OVERWHELM.

    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. Life is Strange - Episode 1

    WHY THIS

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

    Episode 1 now FREE! Life is Strange is an award-winning and critically acclaimed episodic adventure game that allows the player to rewind time and affect the past, present and future.

    2015ActionAdventureFreeDeck PlayableSteam ↗
  3. Helltaker

    WHY THIS

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

    Helltaker is a short game about sharply dressed demon girls.

    2020IndieAdventureFree To PlayFreeDeck PlayableSteam ↗
  4. Ultimate Custom Night

    WHY THIS

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

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

    2018ActionIndieFree To PlayFreeSteam ↗
  5. The Murder of Sonic the Hedgehog

    WHY THIS

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

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

    2023IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  6. 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 OVERWHELM.

    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 ↗
  7. STRAFTAT

    WHY THIS

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

    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 ↗
  8. missed messages.

    WHY THIS

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

    ‘goth gf’s iPhone’ airdrops you - accept or decline? A love/horror story about life, death, & memes.

    2019IndieSimulationFree To PlayFreeDeck 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. Spelunky 2

    WHY THIS

    Shares a stressful mood with OVERWHELM.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with OVERWHELM.

    Spelunky 2 builds upon the unique, randomized challenges that made the original a roguelike classic, offering a huge adventure designed to satisfy players old and new. Meet the next generation of explorers as they find themselves on the Moon, searching for treasure and missing family.

    2020ActionIndie19.99 USDDeck VerifiedSteam ↗
  2. Spelunky

    WHY THIS

    Shares a tense mood with OVERWHELM.

    Deck Verified — runs on Steam Deck out of the box. Shares Indie with OVERWHELM.

    Spelunky is a unique platformer with randomized levels that offer a challenging new experience each time you play. Journey deep underground and explore fantastic places filled with all manner of monsters, traps, and treasure.

    2013Indie14.99 USDDeck VerifiedSteam ↗
  3. Catacomb Kids

    WHY THIS

    Shares an atmospheric mood with OVERWHELM.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with OVERWHELM.

    Catacomb Kids is a brutal platformer roguelike that pits you against the deadly Catacombs aided only by magic, steel, and your quick reflexes. Traverse procedurally generated dungeons and hack, slash, burn, and blast your way through hordes of things that want to kill you.

    2015ActionIndieRPG15.99 USDDeck VerifiedSteam ↗
  4. OUTBUDDIES DX

    WHY THIS

    Shares an atmospheric mood with OVERWHELM.

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Indie with OVERWHELM.

    Run, gun and explore an open undercity in this otherworldly non-linear Metroidvania adventure about the Old Gods, strange creatures and the remnants of a lost world!

    2019ActionIndieAdventure17.99 USDDeck VerifiedSteam ↗

Frequently asked about OVERWHELM

Does OVERWHELM run on Steam Deck?
OVERWHELM is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
How much does OVERWHELM cost?
OVERWHELM is listed on Steam at 9.99 USD (current store price; Steam sales may reduce this temporarily).
Does OVERWHELM have multiplayer or co-op?
Yes — OVERWHELM supports multi-player play according to its Steam store listing (Multi-player, Shared/Split Screen PvP, Shared/Split Screen Co-op).
What games are most similar to OVERWHELM?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside OVERWHELM are Chronac: Escape, NIPH, Spelunky 2.
Who developed OVERWHELM?
OVERWHELM was developed by Ruari O'Sullivan and published by Alliance.

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 OVERWHELM.

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

32 Games Like OVERWHELM — Ranked for 2026 · imho.run