IMHO.

Single-player games like Deadly Zone

Below are 8 single-player Steam games similar to Deadly Zone, 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 Deadly Zone page.

Ranked picks

  1. 1
    Damn Zombies — Steam game cover

    Damn Zombies

    Single-player alternative to Deadly Zone — playable solo, no multiplayer required. Shares Action and Indie with Deadly Zone.

    First-person action survival game set in a post-apocalyptic overrun by flesh-hungry zombies. Roam a city devastated by a mysterious virus epidemi

    2024ActionIndieAdventure19.99 USDSingle-playerSimilar games →
  2. 2
    Lifeless — Steam game cover

    Lifeless

    Single-player alternative to Deadly Zone — playable solo, no multiplayer required. Shares Action and Indie with Deadly Zone.

    Immerse yourself in the post-apocalyptic co-op world of Lifeless, where base building and crafting are key. Collect weapons, gear, and food as you embark on thrilling missions to level up in a vast open world. But stay alert—relentless zombies lurk around every corner!

    2016ActionIndieFree To PlayFreeSingle-playerSimilar games →
  3. 3
    03.04 — Steam game cover

    03.04

    Single-player alternative to Deadly Zone — playable solo, no multiplayer required. Shares Action and Indie with Deadly Zone.

    04/03/2017How much does this date tell you? For the main character, it became very significant, because this is the day of his death. The protagonist was precisely in the train that arrived at the metro station "Technological Institute" with the bodies of innocent, already dead, people ...

    2019ActionIndieAdventureFreeDeck PlayableSingle-playerSimilar games →
  4. 4
    ZOMBI — Steam game cover

    ZOMBI

    Single-player alternative to Deadly Zone — playable solo, no multiplayer required. Shares Action and Adventure with Deadly Zone.

    London is falling. Are you prepared? The Last Blight is upon us. It was foretold. For the second time in history, a great plague has shrouded London in a fog of death. Big Ben tolls as thousands of unprepared die, or worse, are infected by a sickness more gruesome than death.

    2015ActionAdventure19.99 USDSingle-playerSimilar games →
  5. 5
    Atomfall — Steam game cover

    Atomfall

    Single-player alternative to Deadly Zone — playable solo, no multiplayer required. Shares Action and Adventure with Deadly Zone.

    A nuclear disaster has left an area of Britain in tatters. Atomfall, a new survival-action game, will see you explore, scavenge, craft, barter and fight your way through beautifully recreated scenery in search of answers.

    2025ActionAdventure49.99 USDDeck VerifiedSingle-playerSimilar games →
  6. 6
    The Beast Inside — Steam game cover

    The Beast Inside

    Single-player alternative to Deadly Zone — playable solo, no multiplayer required. Shares Action and Indie with Deadly Zone.

    The Beast Inside is a unique, gripping twist on thriller and survival horror. Immerse in the story of long-buried secrets, personal tragedies, and madness. Play as two protagonists bounded by dark heritage. Combat the enemies, solve riddles and experience real terror in the 3D-scanned environment.

    2019ActionIndieAdventure24.99 USDDeck PlayableSingle-playerSimilar games →
  7. 7
    Homefront — Steam game cover

    Homefront

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

    The Rock Map Pack is Now Available! Join the Resistance, stand united and fight for freedom against an overwhelming military force.

    2011Action19.99 USDDeck PlayableSingle-playerSimilar games →
  8. 8
    POSTAL 2 — Steam game cover

    POSTAL 2

    Single-player alternative to Deadly Zone — playable solo, no multiplayer required. Shares Action and Indie with Deadly Zone.

    Live a week in the life of "The POSTAL Dude"; a hapless everyman just trying to check off some chores. Buying milk, returning an overdue library book, getting Gary Coleman's autograph, what could possibly go wrong?

    2012ActionIndieAdventure0.99 USDDeck VerifiedSingle-playerSimilar games →