IMHO.

Free games like Over-Run (The Day The World Ended)

Below are 9 free-to-play Steam games similar to Over-Run (The Day The World Ended), ranked by player overlap and content similarity. No purchase or Steam login required to view the list. Every pick is a full free-to-play title — not a demo, trial, or time-limited giveaway. imho.run's catalogue refreshes daily, so newly free or newly popular titles surface here without manual editing.

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
    Bongo Cat — Steam game cover

    Bongo Cat

    Free-to-play alternative to Over-Run (The Day The World Ended) — no purchase or trial window. Shares Indie and Massively Multiplayer with Over-Run (The Day The World Ended).

    Bongo cat needs your help. Bongo cat needz more hatz!!! Every time you press a key, Bongo cat will punch your taskbar. Type, click, play, work to collect more points. Which hats will you find?

    2025IndieSimulationMassively MultiplayerFreeDeck PlayableFree to playSimilar games →
  2. 2
    Indigo Park: Chapter 1 — Steam game cover

    Indigo Park: Chapter 1

    Free-to-play alternative to Over-Run (The Day The World Ended) — no purchase or trial window. Shares Action and Indie with Over-Run (The Day The World Ended).

    Explore the abandoned childhood wonder of Indigo Park! Guided by Rambley the Raccoon, help restore power to the destroyed amusement park while you run from the reason it shut down.

    2024ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  3. 3
    STRAFTAT — Steam game cover

    STRAFTAT

    Free-to-play alternative to Over-Run (The Day The World Ended) — no purchase or trial window. Shares Action with Over-Run (The Day The World Ended).

    STRAFTAT is a 1v1/2v2 ONLINE first person SHOOTER with quick rounds in over 350 MAPS ; Including all WEAPONS, proximity chat and 4 players FFA.

    2024ActionFreeDeck PlayableFree to playSimilar games →
  4. 4
    Counter-Strike:Global Offensive — Steam game cover

    Counter-Strike:Global Offensive

    Free-to-play alternative to Over-Run (The Day The World Ended) — no purchase or trial window. Shares Action with Over-Run (The Day The World Ended).

    Counter-Strike:Global Offensive (CS:GO) expands upon the team-based action gameplay that it pioneered when it was launched over 2 decades ago. CS:GO features new maps, characters, weapons, and game modes, and delivers updated versions of the classic CS content (de_dust2, etc.).

    2012ActionFree To PlayFreeDeck PlayableFree to playSimilar games →
  5. 5
    The Expendabros — Steam game cover

    The Expendabros

    Free-to-play alternative to Over-Run (The Day The World Ended) — no purchase or trial window. Shares Action and Indie with Over-Run (The Day The World Ended).

    The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.

    2014ActionIndieAdventureFreeDeck VerifiedFree to playSimilar games →
  6. 6
    UNBEATABLE [white label] — Steam game cover

    UNBEATABLE [white label]

    Free-to-play alternative to Over-Run (The Day The World Ended) — no purchase or trial window. Shares Action and Indie with Over-Run (The Day The World Ended).

    A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.

    2021ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  7. 7
    Star Fetchers — Steam game cover

    Star Fetchers

    Free-to-play alternative to Over-Run (The Day The World Ended) — no purchase or trial window. Shares Action and Indie with Over-Run (The Day The World Ended).

    The introduction to a wild ride with gangsters and deep state conspiracy theories

    2020ActionIndieAdventureFreeDeck PlayableFree to playSimilar games →
  8. 8
    Disfigure — Steam game cover

    Disfigure

    Free-to-play alternative to Over-Run (The Day The World Ended) — no purchase or trial window. Shares Action and Indie with Over-Run (The Day The World Ended).

    Disfigure is a grim-dark action rogue-like where you battle relentless hordes of monsters lurking in the shadows. Unlock powerful weapons, craft god-like builds with hundreds of upgrades, slay colossal bosses, and push your limits in intense 20–30 minute survival runs!

    2023ActionIndieFreeDeck PlayableFree to playSimilar games →
  9. 9
    Lifeless — Steam game cover

    Lifeless

    Free-to-play alternative to Over-Run (The Day The World Ended) — no purchase or trial window. 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 PlayFreeFree to playSimilar games →