IMHO.

Single-player games like DIESELDOME: Ultraviolent Gladiator Shooter

Below are 8 single-player Steam games similar to DIESELDOME: Ultraviolent Gladiator Shooter, 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 DIESELDOME: Ultraviolent Gladiator Shooter page.

Ranked picks

  1. 1
    ULTRAKILL — Steam game cover

    ULTRAKILL

    Single-player alternative to DIESELDOME: Ultraviolent Gladiator Shooter — playable solo, no multiplayer required. Shares Action and Indie with DIESELDOME: Ultraviolent Gladiator Shooter.

    ULTRAKILL is a fast-paced ultra-violent retro FPS that combines the skill-based style scoring of character action games with the unadulterated carnage inspired by the best shooters of the '90s. Rip apart your foes with varied destructive weaponry and shower in their blood to regain your health.

    2020ActionIndieEarly Access24.99 USDDeck VerifiedSingle-playerSimilar games →
  2. 2
    Voidborn — Steam game cover

    Voidborn

    Single-player alternative to DIESELDOME: Ultraviolent Gladiator Shooter — playable solo, no multiplayer required. Shares Action and Indie with DIESELDOME: Ultraviolent Gladiator Shooter.

    Slay demons and demigods in this fast-paced roguelite FPS. Create devastating weapon builds as you journey through massive dark fantasy environments on your quest to avenge god. Challenge the demigods, face inevitable death, and rise stronger with every rebirth.

    2025ActionIndie12.99 USDDeck PlayableSingle-playerSimilar games →
  3. 3
    Blood Rush — Steam game cover

    Blood Rush

    Single-player alternative to DIESELDOME: Ultraviolent Gladiator Shooter — playable solo, no multiplayer required. Shares Action and Indie with DIESELDOME: Ultraviolent Gladiator Shooter.

    BLOOD RUSH is a fast paced, skill based FPS, mixed with roguelites elements. Upgrade yourself, buy unique guns, drain miracles from relics and destroy anyone or anything standing on your way!

    2025ActionIndieRPG14.49 USDDeck PlayableSingle-playerSimilar games →
  4. 4
    hate.net — Steam game cover

    hate.net

    Single-player alternative to DIESELDOME: Ultraviolent Gladiator Shooter — playable solo, no multiplayer required. Shares Action and Indie with DIESELDOME: Ultraviolent Gladiator Shooter.

    An abandoned arena shooter overtaken by bots. You are a mere passerby, a witness to a world that has long been lost to fake accounts and false advertisers. Thousands before you, and thousands after you.

    2025ActionIndie4.99 USDSingle-playerSimilar games →
  5. 5
    HELLBREAK — Steam game cover

    HELLBREAK

    Single-player alternative to DIESELDOME: Ultraviolent Gladiator Shooter — playable solo, no multiplayer required. Shares Action and Indie with DIESELDOME: Ultraviolent Gladiator Shooter.

    HELLBREAK is a fast-paced roguelite, survivor-like FPS where you fight through escalating waves in brutal arenas in Hell. Build powerful loadouts, earn favor from demon lords to unlock new gear, and climb the leaderboards for your salvation.

    2025ActionIndieEarly Access14.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    ODDCORE — Steam game cover

    ODDCORE

    Single-player alternative to DIESELDOME: Ultraviolent Gladiator Shooter — playable solo, no multiplayer required. Shares Action and Indie with DIESELDOME: Ultraviolent Gladiator Shooter.

    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 →
  7. 7
    Turbo Overkill — Steam game cover

    Turbo Overkill

    Single-player alternative to DIESELDOME: Ultraviolent Gladiator Shooter — playable solo, no multiplayer required. Shares Action and Indie with DIESELDOME: Ultraviolent Gladiator Shooter.

    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
    HYPER DEMON — Steam game cover

    HYPER DEMON

    Single-player alternative to DIESELDOME: Ultraviolent Gladiator Shooter — playable solo, no multiplayer required. Shares Action and Indie with DIESELDOME: Ultraviolent Gladiator Shooter.

    HYPER DEMON is an FPS like no other. a pearl of lightning. a dream from the future. a drop of poison. a swan song. The faster you slay demons, the harder the game and the higher your score. There is an end. Will it see you?

    2022ActionIndie14.99 USDDeck PlayableSingle-playerSimilar games →