IMHO.

Single-player games like Space Invasion Infinite

Below are 8 single-player Steam games similar to Space Invasion Infinite, 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 Space Invasion Infinite page.

Ranked picks

  1. 1
    Bonfire Barrage — Steam game cover

    Bonfire Barrage

    Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Casual with Space Invasion Infinite.

    Play as a Bonfire Spirit, unleashing flaming bullets to fend off relentless waves of shadowy foes. Master dynamic movement, evolve your powers, and adapt to the ever-shifting chaos. Keep your flame burning in this fast-paced, stylized 2D action-roguelike, where every moment is a fight for survival!

    2025ActionCasual2.99 USDSingle-playerSimilar games →
  2. 2
    Pets Survivors — Steam game cover

    Pets Survivors

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

    Pets Survivors is a survival roguelike where you battle hordes of monsters and fight to stay alive until time runs out. Choose your pet, pick your favorite weapon, upgrade your abilities, and see how long you can survive!

    2026ActionIndieCasualSingle-playerSimilar games →
  3. 3
    Yee-Haw!! — Steam game cover

    Yee-Haw!!

    Single-player alternative to Space Invasion Infinite — playable solo, no multiplayer required. Shares Action and Casual with Space Invasion Infinite.

    In this fast-paced roguelite, survive in a true bullet hell and destroy thousands of enemies with the help of your brave cowboy. Yeeeee-Haw!!

    2025ActionAdventureCasual0.49 USDSingle-playerSimilar games →
  4. 4
    RANDOBOUNCE — Steam game cover

    RANDOBOUNCE

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

    RANDOBOUNCE is a fast-paced, arcade, score-attack roguelike where you bounce uncontrollably while crafting the most ridiculous, overpowered weapon possible. Survive, rack up points, and let the chaos unfold!

    2025ActionIndieCasual2.99 USDSingle-playerSimilar games →
  5. 5
    Gunlocked 2 — Steam game cover

    Gunlocked 2

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

    Movement is your weapon. A sci-fi action roguelike and shmup combined, in Gunlocked 2 you'll pilot and upgrade a state-of-the-art warship against endless waves of deadly aliens. Deep customization, branching paths, and tons of unlockables offer endless replayability!

    2026ActionIndieRPG11.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    Megabonk — Steam game cover

    Megabonk

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

    Smash your way through endless waves of enemies and grow absurdly powerful! Grab loot, level up, unlock characters and upgrade to create unique and crazy builds as you fend off hordes of creatures!

    2025ActionIndieCasual9.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Gamba Gun — Steam game cover

    Gamba Gun

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

    Gamba Gun is the idiotic fusion of top-down shooter and deck building rogue-likes. Experiment with endless ammo combinations, and create powerful synergies to fight against a colorful cast of enemies.

    ActionStrategyIndieSingle-playerSimilar games →
  8. 8
    BALL x PIT — Steam game cover

    BALL x PIT

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

    BALL x PIT is a brick-breaking, ball-fusing, base-building survival roguelite. Batter hordes of enemies with ricocheting balls and gather the riches of the pit to expand your homestead, generate resources and recruit unique heroes.

    2025ActionIndie14.99 USDDeck VerifiedSingle-playerSimilar games →