IMHO.

Single-player games like Defiant Ascent

Below are 8 single-player Steam games similar to Defiant 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 Defiant Ascent page.

Ranked picks

  1. 1
    Violent Nature — Steam game cover

    Violent Nature

    Single-player alternative to Defiant Ascent — playable solo, no multiplayer required. Shares Adventure and Simulation with Defiant Ascent.

    Violent Nature is an open world survival game set in a small town after an interdimensional invasion. Manage your status and limited resources as you fight weaponized creatures and push back the spread of cracks to the other side.

    ActionAdventureSimulationSingle-playerSimilar games →
  2. 2
    30 days to survive — Steam game cover

    30 days to survive

    Single-player alternative to Defiant Ascent — playable solo, no multiplayer required. Shares Indie and Adventure with Defiant Ascent.

    "30 days to survive" - the game is going day, in a world where there is a zombie Apocalypse! The protagonist has to survive 30 days on a randomly generated map full of dead.

    2021ActionIndieAdventure5.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Drowned Station — Steam game cover

    Drowned Station

    Single-player alternative to Defiant Ascent — playable solo, no multiplayer required. Shares Indie and Adventure with Defiant Ascent.

    Drowned Station is a post-apocalyptic underground fishing adventure. Descend into the radioactive tunnel system. Scavenge through abandoned stations and rotten ruins. Follow the trail of your missing son, and discover what lurks beneath.

    ActionIndieAdventureSingle-playerSimilar games →
  4. 4
    DET-33 — Steam game cover

    DET-33

    Single-player alternative to Defiant Ascent — playable solo, no multiplayer required. Shares Indie with Defiant Ascent.

    A bullet-heaven roguelite in the ruins of new London. Take contracts from four warring factions, build a gun that breaks the game, and reach the evac before the city closes over you. 700+ weapons, interlocking build engines, and a fresh map every run.

    2026ActionIndieCasualSingle-playerSimilar games →
  5. 5
    Blimblau: Kill Them All! — Steam game cover

    Blimblau: Kill Them All!

    Single-player alternative to Defiant Ascent — playable solo, no multiplayer required. Shares Indie with Defiant Ascent.

    BLIMBLAU: KILL THEM ALL! is a fast-paced retro FPS where hordes of modified humans stand in your way. Shoot, destroy, and kill them all without mercy.

    2025ActionIndie4.99 USDSingle-playerSimilar games →
  6. 6
    Prospect — Steam game cover

    Prospect

    Single-player alternative to Defiant Ascent — playable solo, no multiplayer required. Shares Indie and Adventure with Defiant Ascent.

    Prospect is a mining roguelike where you carve through the depths of the mines on a perilous journey towards the world above. Vanquish your foes, find mythical artifacts, and forge your own path with your trusty pickaxe. Will you be the first dwarf to ever reach the surface?

    2026ActionIndieAdventureSingle-playerSimilar games →
  7. 7
    Shaft 29 — Steam game cover

    Shaft 29

    Single-player alternative to Defiant Ascent — playable solo, no multiplayer required. Shares Indie and Adventure with Defiant Ascent.

    You are alone in Shaft 29...Descend into old, pitch-black, and hazardous labyrinth to restore the failing power grid. Scavenge the dark for scrap, repair components in safe room, and brave anomalies hiding in the depths. Keep the lights on, and keep moving down...

    2027ActionIndieAdventureSingle-playerSimilar games →
  8. 8
    Last Breath 最后的气息 — Steam game cover

    Last Breath 最后的气息

    Single-player alternative to Defiant Ascent — playable solo, no multiplayer required. Shares Indie and Adventure with Defiant Ascent.

    Last Breath is a tense side-scrolling shooter in a fungal-ravaged world, where humanity has become “Spore Zombies.” As the older sister Guan Jin, fight through the ruins to find your lost sibling. Scavenge, adapt, survive. But what awaits: redemption or a deeper nightmare?

    2026ActionIndieAdventure6.29 USDSingle-playerSimilar games →