Free games like Sigma Impact
Below are 8 free-to-play Steam games similar to Sigma Impact, 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 Sigma Impact page.
Ranked picks
- 1
Counter-Strike:Global Offensive
Free-to-play alternative to Sigma Impact — no purchase or trial window. Shares Action with Sigma Impact.
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.).
- 2
Awaria
Free-to-play alternative to Sigma Impact — no purchase or trial window. Shares Action and Indie with Sigma Impact.
Awaria is a short game about working in haunted maintenance tunnels.
- 3
The Expendabros
Free-to-play alternative to Sigma Impact — no purchase or trial window. Shares Action and Indie with Sigma Impact.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 4
Iron Snout
Free-to-play alternative to Sigma Impact — no purchase or trial window. Shares Action and Indie with Sigma Impact.
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.
- 5
![UNBEATABLE [white label] — Steam game cover](https://shared.akamai.steamstatic.com/store_item_assets/steam/apps/1290490/header.jpg?t=1736770503)
UNBEATABLE [white label]
Free-to-play alternative to Sigma Impact — no purchase or trial window. Shares Action and Indie with Sigma Impact.
A young girl learns a song. An exclusive side-story set in the world of D-CELL GAMES' upcoming rhythm-adventure.
- 6
Disfigure
Free-to-play alternative to Sigma Impact — no purchase or trial window. Shares Action and Indie with Sigma Impact.
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!
- 7
DORONKO WANKO
Free-to-play alternative to Sigma Impact — no purchase or trial window. Shares Action with Sigma Impact.
『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.
- 8
Electoral Carnage
Free-to-play alternative to Sigma Impact — no purchase or trial window. Shares Action with Sigma Impact.
Electoral Carnage is an absurd 2D fighting game featuring America's most famous (and infamous) politicians. If you don't download it you hate America. Also JFK can assassinate himself. What more do you need to know?