Free games like Starship Troopers: Extermination
Below are 10 free-to-play Steam games similar to Starship Troopers: Extermination, 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 Starship Troopers: Extermination page.
Ranked picks
- 1

Indigo Park: Chapter 1
Free-to-play alternative to Starship Troopers: Extermination — no purchase or trial window. Shares Action and Indie with Starship Troopers: Extermination.
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.
- 2

STRAFTAT
Free-to-play alternative to Starship Troopers: Extermination — no purchase or trial window. Shares Action with Starship Troopers: Extermination.
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.
- 3

Counter-Strike:Global Offensive
Free-to-play alternative to Starship Troopers: Extermination — no purchase or trial window. Shares Action with Starship Troopers: Extermination.
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.).
- 4

The Expendabros
Free-to-play alternative to Starship Troopers: Extermination — no purchase or trial window. Shares Action and Indie with Starship Troopers: Extermination.
The Expendabros have assembled and set their sights on the forces of ruthless arms dealer Conrad Stonebanks in the forests of Eastern Europe.
- 5

Disfigure
Free-to-play alternative to Starship Troopers: Extermination — no purchase or trial window. Shares Action and Indie with Starship Troopers: Extermination.
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!
- 6

The Lab
Free-to-play alternative to Starship Troopers: Extermination — 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!
- 7

93, Kuindzhi
Free-to-play alternative to Starship Troopers: Extermination — no purchase or trial window. Shares Indie with Starship Troopers: Extermination.
Kuindzhi, 93 is an atmospheric first-person narrative vignette about an 18-year-old boy from Donbas. The story takes us to March 2022, when the world changed forever — into a space where the past, fears, and doubts find their voice.
- 8

SuchArt: Creative Space
Free-to-play alternative to Starship Troopers: Extermination — no purchase or trial window. Shares Action and Indie with Starship Troopers: Extermination.
Paint on any surfaces with numerous tools in Creative Space — a free sandbox version of SuchArt: Genius Artist Simulator. Create masterpieces, complete commissions, and decorate your studio in the most advanced artist sim!
- 9

Classic Marathon Infinity
Free-to-play alternative to Starship Troopers: Extermination — no purchase or trial window. Shares Action with Starship Troopers: Extermination.
From the team that brought you Aleph One, the classic sci-fi FPS Marathon Infinity from Bungie on Mac revived for modern hardware by the fan community.
- 10

Classic Marathon 2
Free-to-play alternative to Starship Troopers: Extermination — no purchase or trial window. Shares Action with Starship Troopers: Extermination.
From the team that brought you Aleph One, the classic sci-fi FPS Marathon 2: Durandal from Bungie on Mac revived for modern hardware by the fan community.