Free games like Counter-Strike: Source
Below are 11 free-to-play Steam games similar to Counter-Strike: Source, 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 Counter-Strike: Source page.
Ranked picks
- 1
Ultimate Custom Night
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
Welcome to the ultimate FNAF mashup, featuring 50 selectable characters and custom difficulties!
- 2
Indigo Park: Chapter 1
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
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.
- 3
STRAFTAT
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
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.
- 4
Counter-Strike:Global Offensive
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
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.).
- 5
The Expendabros
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 6
Iron Snout
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
Iron Snout is a fast, colorful and brutal fighting game in which you will be helping a piglet fight for its life against hordes of wolves.
- 7
The Lab
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window.
Welcome to The Lab, a compilation of Valve’s room-scale VR experiments set in a pocket universe within Aperture Science. Fix a robot, defend a castle, adopt a mechanical dog, and more. Still not sold? It’s free!
- 8
DORONKO WANKO
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
『DORONKO WANKO』 is a DORONKO Action Game. In this game, You can become a cute, innocent Pomeranian, make your master's home messy and dirty. "Will the master be angry with me?" Don't worry. Because you are a sweet doggie.
- 9
Counter-Strike 2
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
For over two decades, Counter-Strike has offered an elite competitive experience, one shaped by millions of players from across the globe. And now the next chapter in the CS story is about to begin. This is Counter-Strike 2.
- 10
Lightphobe
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
Beware of the darkness... Lightphobe is an asymmetrical team-based PVP game that blends stealth action with fast-paced shooter gameplay. Pick a side and work together as a team to emerge victorious!
- 11
VAIL
Free-to-play alternative to Counter-Strike: Source — no purchase or trial window. Shares Action with Counter-Strike: Source.
Download VAIL and experience the #1, highest-rated VR shooter, with precision-crafted gunplay, stunning visuals, unparalleled combat, and a constantly expanding world of modes, maps, and community