IMHO.

Single-player games like Gun Brothers

Below are 9 single-player Steam games similar to Gun Brothers, ranked by player overlap. Every pick carries Steam's Single-player category, so multiplayer-only titles or always-online games don't sneak in. imho.run pulls the category data from Steam directly — Single-player here matches what the store labels.

Want the full alternatives list (paid + free + Steam Deck + cheaper picks)? See the parent games like Gun Brothers page.

Ranked picks

  1. 1
    Massive — Steam game cover

    Massive

    Single-player alternative to Gun Brothers — playable solo, no multiplayer required. Shares Action and Indie with Gun Brothers.

    "Massive" is a stylized feast of frantic and action shooter for 1-4 players.

    2020ActionIndieAdventure19.99 USDSingle-playerSimilar games →
  2. 2
    Nation Red — Steam game cover

    Nation Red

    Single-player alternative to Gun Brothers — playable solo, no multiplayer required. Shares Action and Indie with Gun Brothers.

    Nation Red is an ultra fast infinite play arena-based shooter providing an exceptional close-quarter battlefield experience. Fight thousands of zombie mutants and their bosses in frantic bloody gameplay while earning close to 100 perks. Fight in Barricade, Survival or Free Play mode.

    2009ActionIndie2.99 USDSingle-playerSimilar games →
  3. 3
    VERSUS SQUAD — Steam game cover

    VERSUS SQUAD

    Single-player alternative to Gun Brothers — playable solo, no multiplayer required. Shares Action and Indie with Gun Brothers.

    Versus Squad is a fast action twin-stick shooter from the creator of Nation Red. Build your own sandbox defense and battle thousands of zombie mutants in top down combat! Face up to a dozen bosses. Simultaneously. Collect loot, build and repair. Play single player, on-line or local coop!

    2016ActionIndie7.99 USDDeck VerifiedSingle-playerSimilar games →
  4. 4
    Splatter - Zombiecalypse Now — Steam game cover

    Splatter - Zombiecalypse Now

    Single-player alternative to Gun Brothers — playable solo, no multiplayer required. Shares Action and Indie with Gun Brothers.

    You like top-down-shooter with a film-noir singleplayer campaign, challenging fights against zombies and monsters, gory splatter effects and destructible level environments? Fight your way through an apocalyptic city in the single player story mode, and test your skills in the survival mode.

    2014ActionIndieAdventure6.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Serious Sam's Bogus Detour — Steam game cover

    Serious Sam's Bogus Detour

    Single-player alternative to Gun Brothers — playable solo, no multiplayer required. Shares Action and Indie with Gun Brothers.

    Serious Sam’s Bogus Detour is an all-new action-adventure in the legendary Serious Sam saga from Hammerwatch developer Crackshell.

    2017ActionIndie9.99 USDSingle-playerSimilar games →
  6. 6
    Hell is Others — Steam game cover

    Hell is Others

    Single-player alternative to Gun Brothers — playable solo, no multiplayer required. Shares Action and Indie with Gun Brothers.

    Hell is Others is an extraction top-down shooter combining roguelike elements. Outside the safety of your apartment lies the noir hellscape that is Century City. A city of endless night that straddles the line between reality and insanity. Explore, hunt, and loot in a place where blood is currency.

    2022ActionIndieAdventure14.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Neon Chrome — Steam game cover

    Neon Chrome

    Single-player alternative to Gun Brothers — playable solo, no multiplayer required. Shares Action and Indie with Gun Brothers.

    A masterful combination of top-down shooter and endless replayability with procedural levels. Blast your way through walls & enemies with guns and cybernetic abilities. Install perks from cyber chambers and upgrade your character stats after each death. Can you stop the Overseer?

    2016ActionIndieAdventure14.99 USDSingle-playerSimilar games →
  8. 8
    HyperParasite — Steam game cover

    HyperParasite

    Single-player alternative to Gun Brothers — playable solo, no multiplayer required. Shares Action and Indie with Gun Brothers.

    A rogue-lite twin-stick shooter/brawler that never plays the same twice. Collect and control 60 different characters as the body-snatching alien Parasite with a grudge against humanity. Fight to the top of the food chain: possess the President, push the Big Red Button and one-up the human race.

    2020ActionIndieAdventure17.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Undead Souls — Steam game cover

    Undead Souls

    Single-player alternative to Gun Brothers — playable solo, no multiplayer required. Shares Action and Indie with Gun Brothers.

    Undead Souls is an arcade game about killing enemies trying to Beat your Score in a gun filled randomly generated levels.

    2020ActionIndie19.99 USDSingle-playerSimilar games →