IMHO.

Single-player games like Assau!t

Below are 11 single-player Steam games similar to Assau!t, 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 Assau!t page.

Ranked picks

  1. 1
    The Last Salvage Squad — Steam game cover

    The Last Salvage Squad

    Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action with Assau!t.

    Battle enemy forces reminiscent of alien weapons from retro sci-fi works in this single-player 2.5D FPS.

    2026ActionSingle-playerSimilar games →
  2. 2
    Rebel Core: Awakens — Steam game cover

    Rebel Core: Awakens

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

    A sci-fi action platformer where players can jump, shoot, slash, and shield their way through the 8 Core Robotics and their domains. Conquer levels and bosses in any order and defeat them all to reach the The Citadel - along with the robotic Council that has conquered humanity.

    ActionIndieAdventureSingle-playerSimilar games →
  3. 3
    A Blast From The Past — Steam game cover

    A Blast From The Past

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

    A Blast from the Past is a stunning, classic arcade shooter. Includes gameplay modes for the casual gamer through to "Tournament Mode" for Hi-Score hunters! With 4K/360Hz+ support, experience smooth as silk gameplay in this dazzling arcade blaster with something for every arcade-going fan!

    2023ActionIndieCasual5.99 USDSingle-playerSimilar games →
  4. 4
    Netherspace — Steam game cover

    Netherspace

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

    A sci-fi shoot'em'up game with heavy focus on upgrades experimentation, featuring two unlikely heroes that must work perfectly together, despite their share of secrets, to surpass their limits and succeed in eliminating a threat that might destroy both Earth and Andraxia if left unchecked.

    2021ActionIndieFree To PlayFreeDeck PlayableSingle-playerSimilar games →
  5. 5
    Psyvariar 3 — Steam game cover

    Psyvariar 3

    Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action with Assau!t.

    Play as one of 7 pilots in this thrilling sequel to a SHMUP classic. The time has come for a new generation of Psyvariars to rise… and save humanity.

    2026Action15.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    DoDonPachi Resurrection Reignite — Steam game cover

    DoDonPachi Resurrection Reignite

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

    CAVE's arcade bullet hell shooter returns as DoDonPachi Resurrection Reignite. New stages, a new character, new music, and other new elements set the stage for a new challenge.

    ActionIndieSingle-playerSimilar games →
  7. 7
    System Critical 2 — Steam game cover

    System Critical 2

    Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Action with Assau!t.

    System Critical 2 is bigger & badder than ever before! Get ready to experience a platformer shooter like no other in VR. Blast your arm cannon and use guns, melee weapons, grenades,& shields to make your way through the carefully crafted levels with epic boss battles and tons of enemies to kill.

    2023ActionAdventure9.99 USDSingle-playerSimilar games →
  8. 8
    Drunken Robot Pornography — Steam game cover

    Drunken Robot Pornography

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

    Bullet-hell, boss-battle, first-person shooter, with giant-robots, martinis and jetpacks. YES. Drink the cocktails. Fight the titans. Make your own Titans. Drink your friend's cocktails.

    2014ActionIndie14.99 USDDeck PlayableSingle-playerSimilar games →
  9. 9
    Roots Need Control 3.0 — Steam game cover

    Roots Need Control 3.0

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

    A coalition of large corporations trying to destroy the root flowers is invading Daejeon. Protect the root flowers. It's not going to be easy. Because... Roots Need Control.

    2023ActionIndie1.99 USDSingle-playerSimilar games →
  10. 10
    Hold The Noise — Steam game cover

    Hold The Noise

    Single-player alternative to Assau!t — playable solo, no multiplayer required. Shares Indie with Assau!t.

    Listen to beautiful and captivating noises! It will be truly amazing. Are you ready to hear some great noise? Just press and hold the space bar. Are you really ready now?

    2024IndieSimulationFree To PlayDeck VerifiedSingle-playerSimilar games →
  11. 11
    Super Kingcrab Simulator — Steam game cover

    Super Kingcrab Simulator

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

    Destroy it! And liberate it! Until it's all over..Be a delicious and fresh super kingcrab, destroy the city and liberate the kingcrab to join them!

    2025ActionIndieAdventure1.99 USDSingle-playerSimilar games →