IMHO.

Games like BRAIN / OUT

If BRAIN / OUT is your kind of game, the closest matches are Beyond Enemy Lines - Vietnam, Battle Strike World War and BattleBit Remastered — picked from the ranked list below. Reviewers single out its gadgets drastically change playstyle, challenging and competitive. 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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BRAIN / OUT is a free-to-play 2D arena extraction shooter set in a post-Soviet environment. Players engage in skill-based combat across destructible maps, using a wide arsenal of modern weaponry that drops with durability mechanics to heighten risk-reward decisions. The game features faction grouping and tournaments alongside daily quests that reviewers highlight keep progression engaging. Gadget selection drastically alters playstyle, and line-of-sight mechanics, according to players, force teamwork in competitive matches. Reviewers describe the overall experience as challenging, competitive and intense. The title holds an 80% positive rating from over 3,200 Steam reviews and runs at playable frame rates on Steam Deck.

About BRAIN / OUT: Brain / Out is a multiplayer shooter with a nostalgic post-Soviet feel. Experience dynamic battles and exterminate your enemies with a large arsenal of modern weaponry. Lock'n'load!

2017ActionIndieMassively MultiplayerFree To PlayFree to playDeck PlayableWindows · macOS · Linuxby Desertkun
BRAIN / OUT — Steam game cover
Players highlight
Daily quests keep progression engagingFree to play without pay to winGadgets drastically change playstyleChallengingCompetitiveIntense

Players who liked BRAIN / OUT also play

Steam players who put hours into BRAIN / OUT 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. Beyond Enemy Lines - Vietnam

    WHY THIS

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

    A tactical Vietnam War shooter with open mission areas. Infiltrate, ambush, or go in loud. Customize weapons, use vehicles, and play solo, in coop, or PvP. Create missions with the built-in editor.

    2026ActionIndieEarly Access12.74 USDSteam ↗
  2. Battle Strike World War

    WHY THIS

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

    An epic platform fighter for up to 8 players online. Try casual, or invite friends to a private room. Play cross-platform with millions of players on Android and Steam! Frequent updates. Over Many Characters.

    2021ActionStrategyIndieFreeSteam ↗
  3. BattleBit Remastered

    WHY THIS

    Shares an intense mood with BRAIN / OUT.

    Third-strongest match for BRAIN / OUT fans by collaborative filtering across millions of Steam libraries. Shares Action and Massively Multiplayer with BRAIN / OUT.

    BattleBit Remastered is a low-poly, massive multiplayer FPS, supporting 254 players per server. Battle on a near-fully destructible map with various vehicles!

    2023ActionMassively MultiplayerEarly Access14.99 USDDeck PlayableSteam ↗
  4. War Gun: Shooting Games Online

    WHY THIS

    Shares a competitive mood with BRAIN / OUT.

    Ranked #4 for BRAIN / OUT fans by collaborative filtering across millions of Steam libraries. Shares Action and Massively Multiplayer with BRAIN / OUT.

    Join War Gun - an epic war game! This is the place where your skill and tactical skills will determine the outcome of the battle. Fight with players from all over the world, diversify your arsenal with weapons and prove your superiority on the battlefield. Are you ready for War Gun?

    2023ActionSimulationMassively MultiplayerFreeSteam ↗
  5. Hell Let Loose: Vietnam

    WHY THIS

    Ranked #5 for BRAIN / OUT fans by collaborative filtering across millions of Steam libraries. Shares Action and Massively Multiplayer with BRAIN / OUT.

    Step into the explosive fury of war with Hell Let Loose: Vietnam. Play a decisive role in one of the most iconic conflicts in history with expansive 50v50 player battles, where teamwork, tactics and an arsenal of destructive weapons combine to shape the battlefield in your favour.

    2026ActionStrategySimulation35.99 USDSteam ↗
  6. Zero Caliber VR

    WHY THIS

    Shares a challenging mood with BRAIN / OUT.

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

    Zero Caliber is the ultimate VR FPS: single player/Co-op campaign, PvP and mod support with 40+ realistic firearms & melee weapons, 100+ unlockable skins, 50+ attachments, realistic physics, progression & more! Immerse yourself in the action, customize your gear and unleash your inner hero!

    2023ActionIndieSimulation24.99 USDSteam ↗
  7. GW: Legacy

    WHY THIS

    Shares a challenging mood with BRAIN / OUT.

    Ranked #7 for BRAIN / OUT fans by collaborative filtering across millions of Steam libraries. Shares Action with BRAIN / OUT.

    A Realistic, Physics Based, Multiplayer shooter game in VR. Experience Physical hands, and Guns that are calibrated to real life.

    2023ActionAdventureSimulation15.99 USDSteam ↗
  8. Line of Sight

    WHY THIS

    Shares an intense mood with BRAIN / OUT.

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

    Fast paced FPS with high customizational freedom. From game mode customization to an in depth weapon tuning and attachment system up to detailed character customizations, while it was developed so you can choose to either go for high performance or graphical fidelity without an high end PC.

    2017ActionIndieMassively MultiplayerFreeSteam ↗

Reviewers mention these as similar to BRAIN / OUT

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. Pawn

    WHY THIS

    Reviewers of BRAIN / OUT cross-mention this title as a similar play.

    A story rich visual novel where you must investigate a series of disappearances threatening the inhabitants of your hometown. Analyze crime scenes, interrogate suspects, witness the dreadful events unravel and face your past. Beware, innocence might be nothing but a mere illusion.

    2016AdventureSimulationCasual6.99 USDDeck VerifiedSteam ↗
  2. Soldat

    WHY THIS

    Shares a competitive mood with BRAIN / OUT.

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

    Soldat is a unique 2D (side-view) multiplayer action game. Soldiers fight against each other in 2D battle arenas using a deadly arsenal of military weapons, across 7 default game modes.

    2020ActionIndieFree To PlayFreeSteam ↗
  3. Team Fortress 2

    WHY THIS

    Shares a competitive mood with BRAIN / OUT.

    Reviewers of BRAIN / OUT cross-mention this title as a similar play. Shares Action and Free To Play with BRAIN / OUT.

    Nine distinct classes provide a broad range of tactical abilities and personalities. Constantly updated with new game modes, maps, equipment and, most importantly, hats!

    2007ActionFree To PlayFreeDeck PlayableSteam ↗
  4. PUBG: BATTLEGROUNDS

    WHY THIS

    Reviewers of BRAIN / OUT cross-mention this title as a similar play. Shares Action and Massively Multiplayer with BRAIN / OUT.

    PUBG: BATTLEGROUNDS, the high-stakes winner-take-all shooter that started the Battle Royale craze, is free-to-play! Drop into diverse maps, loot unique weapons and supplies, and survive in an ever-shrinking zone where every turn could be your last.

    2017ActionAdventureMassively MultiplayerFreeSteam ↗
  5. Call of Duty®

    WHY THIS

    Reviewers of BRAIN / OUT cross-mention this title as a similar play. Shares Action with BRAIN / OUT.

    The Call of Duty® experience supports Call of Duty®: Black Ops 7, Call of Duty®: Black Ops 6, and Call of Duty®: Warzone™.

    2022ActionSteam ↗
  6. Counter-Strike:Global Offensive

    WHY THIS

    Shares a competitive mood with BRAIN / OUT.

    Reviewers of BRAIN / OUT cross-mention this title as a similar play. Shares Action and Free To Play with BRAIN / OUT.

    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 ↗

Frequently asked about BRAIN / OUT

Does BRAIN / OUT run on Steam Deck?
BRAIN / OUT is rated Playable on Steam Deck — it runs, but expect some manual adjustments (control remapping, text size, or graphics settings) for the best experience.
Is BRAIN / OUT free to play?
Yes — BRAIN / OUT is a free-to-play title on Steam. You can install and play it without buying anything, though some games include optional in-app purchases.
Does BRAIN / OUT have multiplayer or co-op?
Yes — BRAIN / OUT supports multi-player play according to its Steam store listing (Multi-player, Cross-Platform Multiplayer, Online PvP).
What games are most similar to BRAIN / OUT?
Based on Steam play patterns and shared genres/tags, the games most often recommended alongside BRAIN / OUT are Beyond Enemy Lines - Vietnam, Battle Strike World War, BattleBit Remastered.
Who developed BRAIN / OUT?
BRAIN / OUT was developed by Desertkun.

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 BRAIN / OUT.

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