IMHO.

Single-player games like Over-Run (The Day The World Ended)

Below are 8 single-player Steam games similar to Over-Run (The Day The World Ended), 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 Over-Run (The Day The World Ended) page.

Ranked picks

  1. 1
    F.U.B.A.R — Steam game cover

    F.U.B.A.R

    Single-player alternative to Over-Run (The Day The World Ended) — playable solo, no multiplayer required. Shares Action and Indie with Over-Run (The Day The World Ended).

    The World Is Pure F.U.B.A.R. Come together and fight with your friends against never ending waves of the undead.. or go solo and take on the treacherous horde alone.

    2020ActionIndieCasual0.99 USDSingle-playerSimilar games →
  2. 2
    Milo — Steam game cover

    Milo

    Single-player alternative to Over-Run (The Day The World Ended) — playable solo, no multiplayer required. Shares Action and Indie with Over-Run (The Day The World Ended).

    Survive in a World War-era hell controlled by Milo, the leader of an absurd nightmare cult that worships a mysterious beverage.

    2026ActionIndieEarly AccessSingle-playerSimilar games →
  3. 3
    Days Of Purgatory — Steam game cover

    Days Of Purgatory

    Single-player alternative to Over-Run (The Day The World Ended) — playable solo, no multiplayer required. Shares Action and Indie with Over-Run (The Day The World Ended).

    Days of purgatory is a roguelike co-operative FPS that will challenge the most veteran of players with overwhelming hordes of demons. Journey through the infested zones to find supplies that will aid in surviving another night.

    2021ActionIndieAdventure24.99 USDSingle-playerSimilar games →
  4. 4
    Pejes Vs Zombies — Steam game cover

    Pejes Vs Zombies

    Single-player alternative to Over-Run (The Day The World Ended) — playable solo, no multiplayer required. Shares Action and Indie with Over-Run (The Day The World Ended).

    A game where you can chose between characters based on Andres Manuel Lopez Obrador, president of Mexico, or Vicente Fox and survive waves of conservatives infected with a strange virus that turned them in to zombies!

    2020ActionIndieAdventure3.33 USDSingle-playerSimilar games →
  5. 5
    Pistol House — Steam game cover

    Pistol House

    Single-player alternative to Over-Run (The Day The World Ended) — playable solo, no multiplayer required. Shares Action and Indie with Over-Run (The Day The World Ended).

    Pistol House is a fast paced sci-fi roguelike FPS. Build your power through cards, enhance your gun, and command a spirit companion as you battle relentless, ever-growing mechanical hordes.

    ActionIndieSingle-playerSimilar games →
  6. 6
    GIBZ — Steam game cover

    GIBZ

    Single-player alternative to Over-Run (The Day The World Ended) — playable solo, no multiplayer required. Shares Action and Indie with Over-Run (The Day The World Ended).

    Shoot, slice and surf on zombies by yourself or with friends. Fight overwhelming amounts of zombies and other monsters summoned by an evil wizard (ooOooOOOo spooky) in an early 1900s London.

    2017ActionIndieAdventure5.99 USDSingle-playerSimilar games →
  7. 7
    Lifeless — Steam game cover

    Lifeless

    Single-player alternative to Over-Run (The Day The World Ended) — playable solo, no multiplayer required. Shares Action and Indie with Over-Run (The Day The World Ended).

    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 →
  8. 8
    Final Days — Steam game cover

    Final Days

    Single-player alternative to Over-Run (The Day The World Ended) — playable solo, no multiplayer required. Shares Action and Indie with Over-Run (The Day The World Ended).

    Survive overwhelming hordes of zombie-like mutants in this chaotic co-op twin-stick shooter. Play solo or team up with up to 16 players as hundreds of enemies flood the screen in a relentless fight to hold the line.

    2018ActionIndie4.99 USDSingle-playerSimilar games →