IMHO.

Single-player games like Mad Sector

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

Ranked picks

  1. 1
    CRUEL — Steam game cover

    CRUEL

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

    A fast run and gun horror shooter with roguelike elements

    2025ActionIndie9.99 USDDeck PlayableSingle-playerSimilar games →
  2. 2
    Blood: Refreshed Supply™ — Steam game cover

    Blood: Refreshed Supply™

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

    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 →
  3. 3
    CULTIC — Steam game cover

    CULTIC

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

    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 →
  4. 4
    WRATH: Aeon of Ruin — Steam game cover

    WRATH: Aeon of Ruin

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

    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 →
  5. 5
    HROT — Steam game cover

    HROT

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

    HROT is a single-player retro FPS set in a small socialist country neighboring Soviet Union (Czechoslovakia) after an unspecified disaster in 1986. Those times were dark and terrifying and so is the game.

    2023ActionIndie19.99 USDDeck PlayableSingle-playerSimilar games →
  6. 6
    Valfaris: Mecha Therion — Steam game cover

    Valfaris: Mecha Therion

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

    Therion returns as the hunt for Lord Vroll continues. Pilot an advanced machine of death and destruction in this explosive 2.5D side-scrolling shoot ‘em up, and sequel to the critically acclaimed Valfaris. Strap in and unleash mecha hell!

    2023ActionIndie3.99 USDDeck VerifiedSingle-playerSimilar games →
  7. 7
    Turbo Overkill — Steam game cover

    Turbo Overkill

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

    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 →
  8. 8
    Prodeus — Steam game cover

    Prodeus

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

    Prodeus is a first-person shooter of old, re-imagined using modern rendering techniques and technology. Experience the quality you’d expect from a modern AAA game, designed with retro aesthetics and gameplay that invoke the tech-imposed limits of older hardware.

    2022ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →