IMHO.

Games like Swimsanity!

If Swimsanity! is your kind of game, the closest matches are Move or Die, INVERSUS Deluxe and Ultimate Chicken Horse — 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 Swimsanity!: Swimsanity! is a multiplayer underwater shooter with action-packed Co-Op and Versus game modes, all supported by online and local play. You play as our hero Mooba, who uses a variety of unique power ups and weapons to survive in this aquatic world.

2020ActionIndieAdventureCasual14.99 USDDeck VerifiedWindowsby Decoy Games, LLC
Swimsanity! — Steam game cover

Players who liked Swimsanity! also play

Steam players who put hours into Swimsanity! 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. Move or Die

    WHY THIS

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

    Move or Die is an absurdly fast-paced 4-player local and online party game where the mechanics change every 20 seconds! It's THE friendship-ruining game.

    2016ActionIndie14.99 USDDeck VerifiedSteam ↗
  2. INVERSUS Deluxe

    WHY THIS

    Second-strongest match for Swimsanity! fans by collaborative filtering across millions of Steam libraries. Shares Action and Casual with Swimsanity!.

    INVERSUS is is a competitive and cooperative arcade shooter for 1 to 4 players online or on the couch. Fight for territory in a dynamic negative-space map where open paths for your team are the walls of your opponent's team. Strategize and trap the enemy to win!

    2016ActionCasual14.99 USDDeck VerifiedSteam ↗
  3. Ultimate Chicken Horse

    WHY THIS

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

    Ultimate Chicken Horse is a party platformer game where you build the level as you play, placing traps and hazards to screw your friends over, but trying not to screw yourself.

    2016ActionIndieCasual14.99 USDDeck VerifiedSteam ↗
  4. Ultimate Sheep Raccoon

    WHY THIS

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

    Ultimate Sheep Raccoon is a bike-racing party game where you and your friends build the course together. Add obstacles and dangerous traps, take the lead with power-ups, and race to the finish!

    2025ActionIndieCasual19.99 USDDeck PlayableSteam ↗
  5. Brawlout

    WHY THIS

    Ranked #5 for Swimsanity! fans by collaborative filtering across millions of Steam libraries. Shares Action and Indie with Swimsanity!.

    Brawlout is the platform fighting game, designed for couch play, online ranked matches and competitive tournaments. Now at 2.0!

    2018ActionIndieCasual19.99 USDDeck VerifiedSteam ↗
  6. Warhammer 40,000: Shootas, Blood & Teef

    WHY THIS

    Ranked #6 for Swimsanity! fans by collaborative filtering across millions of Steam libraries. Shares Action and Adventure with Swimsanity!.

    From the developers of the Guns, Gore and Cannoli franchise comes a new 2D run & gun platformer: Warhammer 40,000: Shootas, Blood & TEEF! Spearhead an Ork invasion, destroy the hive city and kill your warboss! ‘Ere we go!

    2022ActionAdventure19.99 USDDeck VerifiedSteam ↗
  7. Wee Tanks!

    WHY THIS

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

    Explosions. Tanks. Bosses. And more explosions. Crazy fun with your friends. Hundreds of maps. Boom.

    2023ActionStrategyIndie9.99 USDDeck VerifiedSteam ↗
  8. Fling to the Finish

    WHY THIS

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

    Fling to the Finish is a cooperative racing game where teammates are tethered together by a stretchy elastic rope. Get up close and personal with your partner to maneuver two characters bouncing, rolling, and flinging their way to the finish line!

    2024ActionIndieCasual19.99 USDDeck VerifiedSteam ↗

Cheaper alternatives

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

  1. Garry's Mod

    WHY THIS

    Priced ~67% under Swimsanity! on Steam right now. Shares Indie and Casual with Swimsanity!.

    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 ~67% under Swimsanity! on Steam right now. Shares Action and Indie with Swimsanity!.

    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. R.E.P.O.

    WHY THIS

    Priced ~53% under Swimsanity! on Steam right now. Shares Action with Swimsanity!.

    An online co-op horror game with up to 6 players. Locate valuable, fully physics-based objects and handle them with care as you retrieve and extract to satisfy your creator's desires.

    2025ActionEarly Access6.99 USDDeck PlayableSteam ↗
  4. PEAK

    WHY THIS

    Priced ~47% under Swimsanity! on Steam right now. Shares Action and Indie with Swimsanity!.

    PEAK is a co-op climbing game where the slightest mistake can spell your doom. Either solo or as a group of lost nature scouts, your only hope of rescue from a mysterious island is to scale the mountain at its center. Do you have what it takes to reach the PEAK?

    2025ActionIndieAdventure7.99 USDDeck VerifiedSteam ↗
  5. Titanfall® 2

    WHY THIS

    Priced ~70% under Swimsanity! on Steam right now. Shares Action with Swimsanity!.

    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 ↗
  6. Slay the Spire

    WHY THIS

    Priced ~58% under Swimsanity! on Steam right now. Shares Indie with Swimsanity!.

    We fused card games and roguelikes together to make the best single player deckbuilder we could. Craft a unique deck, encounter bizarre creatures, discover relics of immense power, and Slay the Spire!

    2019StrategyIndie6.24 USDDeck VerifiedSteam ↗
  7. Inscryption

    WHY THIS

    Priced ~47% under Swimsanity! on Steam right now. Shares Indie and Adventure with Swimsanity!.

    Inscryption is an inky black card-based odyssey that blends the deckbuilding roguelike, escape-room style puzzles, and psychological horror into a blood-laced smoothie. Darker still are the secrets inscrybed upon the cards...

    2021StrategyIndieAdventure7.99 USDDeck PlayableSteam ↗
  8. Cookie Clicker

    WHY THIS

    Priced ~67% under Swimsanity! on Steam right now. Shares Indie and Casual with Swimsanity!.

    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 ↗

Free alternatives

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

  1. Life is Strange - Episode 1

    WHY THIS

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

    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 ↗
  2. Bongo Cat

    WHY THIS

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

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableSteam ↗
  3. 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 Swimsanity!.

    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 Swimsanity!.

    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. Awaria

    WHY THIS

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

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

    2024ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  6. Virtual Cottage

    WHY THIS

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

    Virtual Cottage gives you a comfy place to rest and be productive without any distractions. Open the game, set yourself a goal and enjoy the atmosphere.

    2020IndieSimulationFree To PlayFreeDeck PlayableSteam ↗
  7. The Expendabros

    WHY THIS

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

    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 ↗
  8. Iron Snout

    WHY THIS

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

    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 ↗

Plays great on Steam Deck

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

  1. Move or Die

    WHY THIS

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

    Move or Die is an absurdly fast-paced 4-player local and online party game where the mechanics change every 20 seconds! It's THE friendship-ruining game.

    2016ActionIndie14.99 USDDeck VerifiedSteam ↗
  2. INVERSUS Deluxe

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Casual with Swimsanity!.

    INVERSUS is is a competitive and cooperative arcade shooter for 1 to 4 players online or on the couch. Fight for territory in a dynamic negative-space map where open paths for your team are the walls of your opponent's team. Strategize and trap the enemy to win!

    2016ActionCasual14.99 USDDeck VerifiedSteam ↗
  3. Ultimate Chicken Horse

    WHY THIS

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

    Ultimate Chicken Horse is a party platformer game where you build the level as you play, placing traps and hazards to screw your friends over, but trying not to screw yourself.

    2016ActionIndieCasual14.99 USDDeck VerifiedSteam ↗
  4. Brawlout

    WHY THIS

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

    Brawlout is the platform fighting game, designed for couch play, online ranked matches and competitive tournaments. Now at 2.0!

    2018ActionIndieCasual19.99 USDDeck VerifiedSteam ↗
  5. Warhammer 40,000: Shootas, Blood & Teef

    WHY THIS

    Deck Verified — runs on Steam Deck out of the box. Shares Action and Adventure with Swimsanity!.

    From the developers of the Guns, Gore and Cannoli franchise comes a new 2D run & gun platformer: Warhammer 40,000: Shootas, Blood & TEEF! Spearhead an Ork invasion, destroy the hive city and kill your warboss! ‘Ere we go!

    2022ActionAdventure19.99 USDDeck VerifiedSteam ↗
  6. Wee Tanks!

    WHY THIS

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

    Explosions. Tanks. Bosses. And more explosions. Crazy fun with your friends. Hundreds of maps. Boom.

    2023ActionStrategyIndie9.99 USDDeck VerifiedSteam ↗
  7. Fling to the Finish

    WHY THIS

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

    Fling to the Finish is a cooperative racing game where teammates are tethered together by a stretchy elastic rope. Get up close and personal with your partner to maneuver two characters bouncing, rolling, and flinging their way to the finish line!

    2024ActionIndieCasual19.99 USDDeck VerifiedSteam ↗

Frequently asked about Swimsanity!

Is Swimsanity! verified for Steam Deck?
Yes — Swimsanity! is Steam Deck Verified, meaning Valve has confirmed it runs well on the Deck with full controller, text legibility, and default configuration support.
How much does Swimsanity! cost?
Swimsanity! is listed on Steam at 14.99 USD (current store price; Steam sales may reduce this temporarily).
Does Swimsanity! have multiplayer or co-op?
Yes — Swimsanity! supports multi-player play according to its Steam store listing (Multi-player, Online PvP, Shared/Split Screen PvP).
What games are most similar to Swimsanity!?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside Swimsanity! are Move or Die, INVERSUS Deluxe, Ultimate Chicken Horse.
Who developed Swimsanity!?
Swimsanity! was developed by Decoy Games, LLC.

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 Swimsanity!.

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