IMHO.

Single-player games like Project: Ascent

Below are 9 single-player Steam games similar to Project: Ascent, 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 Project: Ascent page.

Ranked picks

  1. 1
    Chthonic — Steam game cover

    Chthonic

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

    Descend through nine ever-changing levels of a living nightmare, master a weapon that grows with you, and face colossal demons to a soundtrack that comes alive as you play.

    ActionIndieSingle-playerSimilar games →
  2. 2
    INFINITE CHUMP — Steam game cover

    INFINITE CHUMP

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

    INFINITE CHUMP is an ultra-fast, boomer shooter roguelite tripfest where you graft spell-casting arms to your body. Put rings on your new fingers to create spells on the fly. Inspired by 90's FPS games with a trippy twist.

    2026ActionIndieSingle-playerSimilar games →
  3. 3
    Gunstoppable — Steam game cover

    Gunstoppable

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

    A momentum-fueled Roguelite FPS where speed is damage. Dual-wield overpowered weapon combos and bend time to obliterate robot hordes and overthrow billionaire bosses!

    2026ActionIndie12.49 USDSingle-playerSimilar games →
  4. 4
    Seth — Steam game cover

    Seth

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

    Become Seth, god of storms, and crush Apophis’s legions in a fast-paced roguelite FPS blending Egyptian mythology with science fiction. Fast combat, random challenges, and divine power in every run.

    2026ActionIndie12.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    Steel Judgment — Steam game cover

    Steel Judgment

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

    Steel Judgment is an ultra-fast roguelite FPS that blends game-breaking roguelike chaos with stylish spectacle fighter combat. Wipe out hordes of enemies with ruthless efficiency while collecting powerful items to grow even stronger!

    2026ActionIndieEarly Access9.99 USDSingle-playerSimilar games →
  6. 6
    EXUVIA — Steam game cover

    EXUVIA

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

    EXUVIA is a surreal, fast-paced, FPS action roguelite set in the center of a dimension left forgotten. Clear rooms of enemies, obtain unique items, and break out of the exuvium.

    ActionIndieSingle-playerSimilar games →
  7. 7
    CRYPTSHOOTER — Steam game cover

    CRYPTSHOOTER

    Single-player alternative to Project: Ascent — playable solo, no multiplayer required. Shares Action with Project: Ascent.

    A horror roguelike FPS where you descend through 20 procedurally generated levels of a desecrated crypt, fighting biomechanical monsters, choosing weapons and perks between each wave, and dying over and over while an omniscient narrator watches.

    2026Action3.99 USDSingle-playerSimilar games →
  8. 8
    ODDCORE — Steam game cover

    ODDCORE

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

    You have only 5 minutes to stylishly explode your way through the hordes of corrupted entities in a retro FPS, roguelike liminal-nightmare... and Timmee is here to help!

    2026ActionIndieEarly Access9.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    Tear Them All — Steam game cover

    Tear Them All

    Single-player alternative to Project: Ascent — playable solo, no multiplayer required. Shares Action with Project: Ascent.

    Tear through waves of doodle enemies with your pencil. Sharpen your weapon, balance melee and ranged combat, and survive the chaos in this fast-paced arena shooter.

    ActionFree To PlayFreeSingle-playerSimilar games →