IMHO.

Single-player games like Manus Dei

Below are 10 single-player Steam games similar to Manus Dei, 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 Manus Dei page.

Ranked picks

  1. 1
    Turbo Overkill — Steam game cover

    Turbo Overkill

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    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 →
  2. 2
    Slayers X: Terminal Aftermath: Vengance of the Slayer — Steam game cover

    Slayers X: Terminal Aftermath: Vengance of the Slayer

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    So.... got what it takes to be a X Slayer?!?... 7 weapons, blood and gore, twisted music by Seepage & Psyko Syndikate, and maps where you can blow up everything. its awesome. started making it in 1998 in high school with my friend and now im 37, so i have life experience now.

    2023Action16.99 USDDeck VerifiedSingle-playerSimilar games →
  3. 3
    CROSSBOW: Bloodnight — Steam game cover

    CROSSBOW: Bloodnight

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    CROSSBOW: Bloodnight is a frantic score-attack arena shooter set in a world of camp horror and gore. Master the occult powers of your automatic crossbow and fight for every second of survival against a relentless demonic horde! Hunt. Die. Hunt again.

    2020Action2.99 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    CULTIC — Steam game cover

    CULTIC

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    Death is only the beginning. Crawl from your grave and gear up to fight your way through the ranks of a mysterious and twisted cult. You, your guns, and your dynamite will have to shoot, slide, blast, duck, dodge, and maybe throw a gib or two to survive in this old-school-inspired shooter.

    2022ActionIndie9.99 USDDeck VerifiedSingle-playerSimilar games →
  5. 5
    CARNAGE OFFERING — Steam game cover

    CARNAGE OFFERING

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    Ultra fast-paced sci-fi FPS where you battle waves of robots and genetically engineered creatures. Upgrade your arsenal, unleash explosive physics, and survive relentless combat.

    2022ActionAdventure9.99 USDSingle-playerSimilar games →
  6. 6
    DEAD TRASH — Steam game cover

    DEAD TRASH

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    Years into a brutal lockdown, a once-thriving city lies in ruins, abandoned by its government and overrun by vicious, mindless infected. Grab your hammer, collect your nerves and enter the mayhem.

    2025Action2.99 USDSingle-playerSimilar games →
  7. 7
    Blood: Refreshed Supply™ — Steam game cover

    Blood: Refreshed Supply™

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    Things are about to get… bloody! Soak up 42 pulse-pounding levels dripping with Lovecraftian atmosphere as you battle your way through armies of sycophantic cultists, zombies, gargoyles, hell hounds, and other insatiable horrors, in your quest to defeat the loathsome Tchernobog.

    2025Action29.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    WRATH: Aeon of Ruin — Steam game cover

    WRATH: Aeon of Ruin

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    Blast, slice and shred through your enemies in this hardcore FPS inspired by the icons of the '90s, powered by the legendary Quake-1 Tech. Taking place in a realm left to rot, take up arms, unearth long-forgotten secrets and hunt down the Guardians of the Old World.

    2024Action24.99 USDDeck VerifiedSingle-playerSimilar games →
  9. 9
    OTXO — Steam game cover

    OTXO

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    Enter an inexplicable, abstract mansion to rescue a loved one in this fast-paced, brutal, and dark roguelite filled with precise but savage gunplay and time-bending slow motion. Face your inner demons and unveil the secrets of the Mansion.

    2023ActionSimulation14.99 USDDeck VerifiedSingle-playerSimilar games →
  10. 10
    Dogworld — Steam game cover

    Dogworld

    Single-player alternative to Manus Dei — playable solo, no multiplayer required. Shares Action with Manus Dei.

    Shoot, jump, and slide your way through a ruined, mysterious, dog-filled world as you fight to save humanity from the clutches of a rogue AI named Daddy.

    2021ActionIndieAdventure14.99 USDSingle-playerSimilar games →