IMHO.

Single-player games like NullGate

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

Ranked picks

  1. 1
    CICADAMATA" — Steam game cover

    CICADAMATA"

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

    + follow the white rabbit + hop, skip, and jump to become one with joyeuse, until you are no longer you +

    2026ActionIndie8.99 USDSingle-playerSimilar games →
  2. 2
    Space PiouPiou — Steam game cover

    Space PiouPiou

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

    Blast through endless waves of evil space cat-liens in this chaotic bullet heaven and hell roguelike! Upgrade your tiny PiouPiou into a feathered weapon of mass destruction and survive the cosmic madness for as long as possible.

    ActionIndieSingle-playerSimilar games →
  3. 3
    Bumper & Thumper — Steam game cover

    Bumper & Thumper

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

    A chaotic vehicular combat roguelite. Choose your ride, ram through hundreds of robots, collect scrap to level up and stack weapons. Combine crazy upgrades to create the perfect build, face bosses, and outrun the deadly robots. If you stop, you die.

    ActionIndieCasualSingle-playerSimilar games →
  4. 4
    Skyscraper Security: Zombie Rain — Steam game cover

    Skyscraper Security: Zombie Rain

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

    Defend a neon megacity from zombies raining from the sky in a fast first-person action roguelike. Choose a doctrine, bend time, build devastating upgrades, survive 15 escalating waves, and chase a place on the global leaderboard.

    ActionIndieSingle-playerSimilar games →
  5. 5
    ALTEREDBLOOD+ [AB+] — Steam game cover

    ALTEREDBLOOD+ [AB+]

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

    SPLATTER your enemies, SOAK in their blood, AWAKEN your weapons, bring directionality to your ultraviolence in ALTEREDBLOOD+, a Movement-FPS Platformer.

    ActionIndieSingle-playerSimilar games →
  6. 6
    Turbo Overkill — Steam game cover

    Turbo Overkill

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

    Enter Paradise as Johnny Turbo—half-metal, half-human, all-murder machine. Clean up the streets with a chainsaw leg, 15+ weapons and your hovercar as you battle the rogue AI Syn, rival bounty hunters and cyberpunks aplenty. Apogee’s most outrageous FPS since Duke Nukem 3D. Good hunting, Sir!

    2023ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    LUCKROT — Steam game cover

    LUCKROT

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

    Roguelike shooter set in a dystopian, livestreamed gameshow. Obliterate waves of deformed freaks, earn donations from your sadistic audience and gamble your earnings for upgrades. Your life is a Performance. Your Death is Content.

    2026ActionIndie4.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    MULLET MADJACK — Steam game cover

    MULLET MADJACK

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

    MULLET MADJACK is a HIGH-OCTANE-ACTION SHOOTER that put you directly inside a CLASSIC ANIME. Pick your favorite weapon and reach the last floor; Beat your best time or try again. Haste makes waste… OF YOUR ENEMIES!

    2024ActionIndie19.99 USDDeck VerifiedSingle-playerSimilar games →