IMHO.

Games like OSO

If OSO is your kind of game, the closest matches are You're It!, Stickplosion and Flock Fight — 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 OSO: Welcome to OSO, where you get to add hazards to the map whenever you die! Throw down a fan and launch your friends into the void, or kick them into a well-placed spike to get your revenge.

ActionStrategyIndieEarly AccessWindows · Linuxby Horizen Interactive
OSO — Steam game cover

Players who liked OSO also play

Steam players who put hours into OSO 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. You're It!

    WHY THIS

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

    A fast 2.5D multiplayer tag game where up to eight blobs grapple, wall-jump, dodge, and shove through 40 wild arenas, passing an explosive glow before time runs out.

    ActionSportsIndieSteam ↗
  2. Stickplosion

    WHY THIS

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

    Stickplosion is a fast, chaotic 2D pixel-art brawler where the arena fights back. Blast, build, and bury rivals in fully destructible terrain across free-for-all and team battles. Draft a new ability every round, invite friends through Steam, and craft your own maps.

    2026ActionStrategyIndie7.91 USDSteam ↗
  3. Flock Fight

    WHY THIS

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

    Battle your friends or fly solo as a flying flock of health units. Balance offense and defense as you use weapons to survive quick, chaotic local or online match ups in this minimalist couch fighting game.

    2026ActionIndieCasualSteam ↗
  4. Punch Upon a Time

    WHY THIS

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

    Punch Upon a Time is a team-based party fighter inspired by Smash Bros where you take on rounds of modes, mini-games, and combat alongside your friends. Assemble a squad of the biggest fairy tale names to punch, dunk, fly, score, and sumo your way to victory as the LAST TEAM STANDING.

    ActionIndieCasualSteam ↗
  5. Bunraku

    WHY THIS

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

    Bunraku is a fast-paced multiplayer brawler where you clash with friends in frantic ninja fights. Up to 8 players can join the Bunraku Theater arenas, online (P2P) or local, mastering ninja dashing skills to become the ultimate battle puppeteer!

    ActionIndieCasualSteam ↗
  6. Eternal Fighters

    WHY THIS

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

    Dive into Eternal Fighters, a fast-paced 2D fighting game that blends classic arcade action with modern dynamics. Choose from a roster of ninjas and warriors, each with unique abilities, and master modes like Arcade, VS, and Online. Prove your skills and become the ultimate Eternal Champion!

    2024ActionIndieCasualSteam ↗
  7. Forest Fighters

    WHY THIS

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

    We're proud to announce our first game, a fun and easy-to-learn but hard-to-master arcade puzzle battle. Build megablocks, trigger chains to send ghost blocks at your opponent. Counter incoming attacks with precise timing. 23 characters, each with a unique playstyle. No pay-to-win.

    2026ActionStrategyIndie11.99 USDSteam ↗
  8. Shinobi

    WHY THIS

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

    A social stealth party game for 2–4 players. Blend in with AI ninjas, find the real threats, and strike before they strike you.

    2026ActionStrategyIndie9.99 USDSteam ↗

Free alternatives

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

  1. STRAFTAT

    WHY THIS

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

    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 ↗
  2. UNBEATABLE [white label]

    WHY THIS

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

    A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.

    2021ActionIndieAdventureFreeDeck PlayableSteam ↗
  3. Electoral Carnage

    WHY THIS

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

    Electoral Carnage is an absurd 2D fighting game featuring America's most famous (and infamous) politicians. If you don't download it you hate America. Also JFK can assassinate himself. What more do you need to know?

    2026ActionFree To PlayEarly AccessFreeDeck PlayableSteam ↗
  4. Tukoni: Prologue

    WHY THIS

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

    Tukoni: Prologue is a point-and-click puzzle adventure, based on a series of award-winning books by the Ukrainian artist Oksana Bula. Play as Tukoni, the forest spirits, as you meet unique characters, solve captivating puzzles, craft new items, and explore a magical world filled with kindness.

    2020IndieAdventureCasualFreeSteam ↗
  5. Ultra Fight Da ! Kyanta 2

    WHY THIS

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

    Ultra Fight Kyanta 2 is a fighting game with a frantic pace and easy to learn controls. You can perform special attacks using single button presses! Fight in 2D battles across various modes using teams of hand-drawn characters.

    2019ActionIndieFree To PlayFreeDeck PlayableSteam ↗
  6. Gun Devil

    WHY THIS

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

    GUN DEVIL is an explosive platformer about rescuing your kidnapped hell wife from Satan's child, the Caramelized Dumbass and his Pimp Legion.

    2022ActionIndieAdventureFreeSteam ↗
  7. Khimera: Destroy All Monster Girls

    WHY THIS

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

    Play as Chelshia the chimera in this platforming beat-em-up adventure into the wonderful world of monster girls!

    2016ActionIndieAdventureFreeDeck PlayableSteam ↗
  8. Wheelchair Wizards

    WHY THIS

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

    Wheelchair Wizards is a 4 player party game where you battle your friends while upgrading your wizard.

    2025ActionIndieFree To PlayFreeSteam ↗

Frequently asked about OSO

Does OSO have multiplayer or co-op?
Yes — OSO supports multi-player play according to its Steam store listing (Multi-player, Online PvP, LAN PvP).
What games are most similar to OSO?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside OSO are You're It!, Stickplosion, Flock Fight.
Who developed OSO?
OSO was developed by Horizen Interactive.

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 OSO.

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