Free games like Human Extinction Simulator
Below are 8 free-to-play Steam games similar to Human Extinction Simulator, 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 Human Extinction Simulator page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Human Extinction Simulator — no purchase or trial window. Shares Indie with Human Extinction Simulator.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
The Riftbreaker: Prologue
Free-to-play alternative to Human Extinction Simulator — no purchase or trial window. Shares Strategy and Indie with Human Extinction Simulator.
The Riftbreaker: Prologue allows you to experience the events taking place before the story campaign of the main game. Explore an entirely new world. Gather resources. Build up a base. Defend yourself from thousands of alien creatures.
- 3
SCP: Secret Laboratory
Free-to-play alternative to Human Extinction Simulator — no purchase or trial window. Shares Indie with Human Extinction Simulator.
Deep within a secure underground facility, a sudden containment breach allows many of the secured anomalies to escape from their chambers. Assist the Foundation in re-securing the facility, help the Insurgency in their goal to capture it, or wreak havoc as an SCP in a frantic bid to escape.
- 4
Splitgate
Free-to-play alternative to Human Extinction Simulator — no purchase or trial window. Shares Indie with Human Extinction Simulator.
Splitgate is a free-to-play, fast-paced multiplayer shooter that features player-controlled portals. This sci-fi shooter takes the FPS genre to a new dimension with its portal mechanics, delivering high-flying, multi-dimensional combat.
- 5
Aimlabs
Free-to-play alternative to Human Extinction Simulator — no purchase or trial window. Shares Indie and Simulation with Human Extinction Simulator.
Aimlabs is the aim trainer of choice for over 45 Million players, from beginners to esports pros. Our unique aim analysis optimizes your gameplay, targets your weaknesses & builds key skills for any FPS game! Time to warm up with our unlimited scenarios & rank up in-game!
- 6
PlanetSide 2
Free-to-play alternative to Human Extinction Simulator — no purchase or trial window.
PlanetSide 2 is an all-out planetary war, where thousands of players battle as one across enormous continents. Utilize infantry, ground and air vehicles, and teamwork to destroy your enemies in this revolutionary first-person shooter on a massive scale.
- 7
Bloons TD Battles 2
Free-to-play alternative to Human Extinction Simulator — no purchase or trial window. Shares Strategy and Indie with Human Extinction Simulator.
From the creators of Bloons TD6... Bloons TD Battles 2 is a brand new installment of the top-rated head-to-head tower defense game. Gather your Hero, choose your team of powerful Monkey Towers, and prepare to battle one on one against other players and relentless waves of Bloons!
- 8
Freddy Fazbear's Pizzeria Simulator
Free-to-play alternative to Human Extinction Simulator — no purchase or trial window. Shares Indie and Simulation with Human Extinction Simulator.
Start your own Freddy Fazbear's Pizzeria with Freddy Fazbear Pizzeria Simulator!