Free games like Trigonarium
Below are 9 free-to-play Steam games similar to Trigonarium, 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 Trigonarium page.
Ranked picks
- 1
Evil Egg
Free-to-play alternative to Trigonarium — no purchase or trial window. Shares Action with Trigonarium.
Blast it all to hell.
- 2
I MAED A GAM3 W1TH Z0MB1ES 1N IT!!!1
Free-to-play alternative to Trigonarium — no purchase or trial window. Shares Action and Indie with Trigonarium.
A top down twin stick zombie slaying shooter that you are sure to play again and again!
- 3
Relic Hunters Zero: Remix
Free-to-play alternative to Trigonarium — no purchase or trial window. Shares Action and Indie with Trigonarium.
Relic Hunters Zero: Remix is a remaster of the FREE 1 million player hit game about blasting evil space ducks and turtles with tiny cute guns. It’s fast, it’s tactical, and feels deliciously smooth to play. Unlock new weapons, characters and relics to defeat the Ducan Commander!
- 4
Disfigure
Free-to-play alternative to Trigonarium — no purchase or trial window. Shares Action and Indie with Trigonarium.
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!
- 5
Echoes+
Free-to-play alternative to Trigonarium — no purchase or trial window. Shares Action and Indie with Trigonarium.
Echoes+ is an intense retro action space shooter that will test your reaction and concentration levels to the max!
- 6
POSTAL
Free-to-play alternative to Trigonarium — no purchase or trial window. Shares Action and Indie with Trigonarium.
Take control of The POSTAL Dude in his infamous first outing as he battles to survive in a world gone mad! POSTAL is a classic isometric shooter filled to the brim with fast-paced explosive action.
- 7
Alien Swarm: Reactive Drop
Free-to-play alternative to Trigonarium — no purchase or trial window. Shares Action with Trigonarium.
Co-operative top-down shooter game available for free. An epic bug hunt featuring a unique blend of co-op play and squad-level tactics.
- 8
10 Minutes Till Dawn
Free-to-play alternative to Trigonarium — no purchase or trial window. Shares Action and Indie with Trigonarium.
Shoot down an ever growing horde of Lovecraftian monsters. Choose from a variety of upgrades to create unique and game-breaking builds. Unlock a diverse cast of characters and weapons with unique powers.
- 9
Waves
Free-to-play alternative to Trigonarium — no purchase or trial window. Shares Action and Indie with Trigonarium.
Waves is an Arcade Twin-Stick Shooter that's all about High Scores. Build your combo and drop bombs in pursuit of Leaderboard dominance over seven game-modes!