Free games like Atlas Reactor
Below are 10 free-to-play Steam games similar to Atlas Reactor, 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 Atlas Reactor page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Atlas Reactor — no purchase or trial window. Shares Free To Play with Atlas Reactor.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Bongo Cat
Free-to-play alternative to Atlas Reactor — no purchase or trial window. Shares Free To Play with Atlas Reactor.
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?
- 3
Indigo Park: Chapter 1
Free-to-play alternative to Atlas Reactor — no purchase or trial window. Shares Free To Play with Atlas Reactor.
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.
- 4
STRAFTAT
Free-to-play alternative to Atlas Reactor — no purchase or trial window.
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.
- 5
Counter-Strike:Global Offensive
Free-to-play alternative to Atlas Reactor — no purchase or trial window. Shares Free To Play with Atlas Reactor.
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.).
- 6
Awaria
Free-to-play alternative to Atlas Reactor — no purchase or trial window. Shares Free To Play with Atlas Reactor.
Awaria is a short game about working in haunted maintenance tunnels.
- 7
Grimm's Hollow
Free-to-play alternative to Atlas Reactor — no purchase or trial window. Shares Free To Play with Atlas Reactor.
A spooky, freeware RPG where you search the afterlife for your brother. Reap ghosts with your scythe, explore haunted caves, and eat ghostly treats on your journey through death.
- 8
The Expendabros
Free-to-play alternative to Atlas Reactor — no purchase or trial window. Shares Free To Play with Atlas Reactor.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 9
Noara: The Conspiracy
Free-to-play alternative to Atlas Reactor — no purchase or trial window. Shares Strategy and Free To Play with Atlas Reactor.
Since the tragedy of the Last Moon, the Lands of Noara are once again under threat. Take up arms and dive into this competitive turn-based game, build your army, react in real time to your opponent's actions and try to win the game!
- 10
Infinity Wars: Animated Trading Card Game
Free-to-play alternative to Atlas Reactor — no purchase or trial window. Shares Strategy with Atlas Reactor.
Outplay your opponent with simultaneous turns and commander-driven deck-building in a fully free-to-play PvP experience. Build your deck from 1000+ cards across 8 unique factions, and face opponents on a truly level playing field. In Infinity Wars, skill is the only factor that determines victory!