IMHO.

Single-player games like GUNtai

Below are 8 single-player Steam games similar to GUNtai, 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 GUNtai page.

Ranked picks

  1. 1
    Roguevive — Steam game cover

    Roguevive

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

    Roguevive is an roguelite survive bullet heaven. Survive against hordes of enemies getting ever stronger. Level up, unlock upgrades and new guns in this multiplayer action roguelite.

    2025ActionIndieAdventure1.99 USDSingle-playerSimilar games →
  2. 2
    BROTANK — Steam game cover

    BROTANK

    Single-player alternative to GUNtai — playable solo, no multiplayer required. Shares Action and Strategy with GUNtai.

    Brotank is a bullet-hell roguelike game. You play as a bounty hunter driving a tank through a post-apocalyptic wasteland—rescuing allies, upgrading gear, customizing your war machine, surviving relentless enemy waves, and ultimately becoming a legend!

    2026ActionStrategyIndie4.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Soul of the Dungeon — Steam game cover

    Soul of the Dungeon

    Single-player alternative to GUNtai — playable solo, no multiplayer required. Shares Action and Strategy with GUNtai.

    A wave-based rogue-lite action game! Enter the dark dungeon, fight hordes of enemies, collect gold, upgrade your skills, and survive. Every wave is harder, every battle makes you stronger.

    2025ActionStrategyIndie3.99 USDSingle-playerSimilar games →
  4. 4
    Genome Guardian 2 — Steam game cover

    Genome Guardian 2

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

    COMBINE WEAPONS in the microscopic shooter with macroscopic depth. BUILD YOUR NANOBOT from hundreds of parts. SURVIVE the microbial onslaught once more in this psychedelic dive to the Abyss, full of mutations, minerals, anomalies and powerup polyps. SHMUP mode turns it into a vertical shoot 'em up!

    2026ActionIndieRPG15.99 USDDeck PlayableSingle-playerSimilar games →
  5. 5
    Boom Buddies — Steam game cover

    Boom Buddies

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

    Boom Buddies is a fixed-position bullet hell survival game where animal heroes face endless enemy waves, upgrade weapons through card choices, unlock new characters, and compete on global leaderboards.

    2026ActionIndieCasual2.99 USDSingle-playerSimilar games →
  6. 6
    Supercat Survivors — Steam game cover

    Supercat Survivors

    Single-player alternative to GUNtai — playable solo, no multiplayer required. Shares Action and Strategy with GUNtai.

    Meow! This is a cat-themed Survivor-like game where you control an adorable Supercat! Battle monsters to level up, collect items, upgrade weapons, and experiment with strategic builds to fight off invading creatures threatening Meow Star.

    2026ActionStrategyIndie5.59 USDSingle-playerSimilar games →
  7. 7
    Little Witch Survivors — Steam game cover

    Little Witch Survivors

    Single-player alternative to GUNtai — playable solo, no multiplayer required. Shares Action and Strategy with GUNtai.

    "Little Witch Survivors" is a magic pigeon barrage shooting game. You will play as a little witch, summoning and commanding eight unique magic guardians to fight side by side! Each guardian has dual skills, and you can switch strategies freely in the equipment slots - weave your own magic miracle!

    2025ActionStrategyAdventure4.14 USDDeck VerifiedSingle-playerSimilar games →
  8. 8
    Demon Hunt — Steam game cover

    Demon Hunt

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

    Battle through demon-infested lands in this fast-paced rogue-lite bullet-heaven. Pick unique weapons with powerful evolutions, and hunt down ancient demons in intense boss fights. Loot, upgrade, and unlock new ways to grow stronger after every hunt!

    2025ActionIndieEarly Access6.99 USDDeck PlayableSingle-playerSimilar games →