Free games like Proto Trigger
Below are 9 free-to-play Steam games similar to Proto Trigger, 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 Proto Trigger page.
Ranked picks
- 1
STRAFTAT
Free-to-play alternative to Proto Trigger — no purchase or trial window. Shares Action with Proto Trigger.
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.
- 2
Counter-Strike:Global Offensive
Free-to-play alternative to Proto Trigger — no purchase or trial window. Shares Action with Proto Trigger.
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.).
- 3
Awaria
Free-to-play alternative to Proto Trigger — no purchase or trial window. Shares Action with Proto Trigger.
Awaria is a short game about working in haunted maintenance tunnels.
- 4
The Expendabros
Free-to-play alternative to Proto Trigger — no purchase or trial window. Shares Action with Proto Trigger.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 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 Proto Trigger — no purchase or trial window. Shares Action with Proto Trigger.
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 Proto Trigger — no purchase or trial window. Shares Action with Proto Trigger.
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 Proto Trigger — no purchase or trial window. Shares Action with Proto Trigger.
『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
Control, I'm Not Coming Back
Free-to-play alternative to Proto Trigger — no purchase or trial window.
Control, I'm Not Coming Back is a short and emotional narrative game about a lost astronaut searching for a reason to keep going forward while facing the emptiness of space. Inspired by the Hopecore aesthetic, it’s a story about positivism, friendship and our human connection with Voyager 1.
- 9
Qorena
Free-to-play alternative to Proto Trigger — no purchase or trial window. Shares Action with Proto Trigger.
Qorena is a top-down, bullet hell, action-arena shooter of pure, survival, action! Bundled with a wide variety of multiplayer levels of bullet-raining hell, numerous monsters to fight, and the ability to customize the world!