Trigonarium
A twin-stick arena shooter with battlefields that change shape
Kimmo Lahtinen · Published by Kimmo Factor Oy · Released Aug 31, 2015
- Reviews
- Very Positive
- 92% of 83
- Recent reviews
- Not enough recent
- Players
- 0
- daily peak, Oct 30, 2026
- Steam Deck
- Untested
- Last update on Steam
- 6 years ago
- Feb 27, 2020
What is Trigonarium?
This top-down shooter takes place in abstract arenas, where you shoot enemy formations and fight bosses. It has two campaigns spanning three and five worlds, plus challenge modes for short sessions.
For you if...
- +you enjoy chasing high scores in arcade shooters
- +you want local two-player co-op across every mode
Not for you if...
- −you prefer slower action that requires little concentration
What players say
92% of 83 reviews are positive
Players praise the responsive controls and the ability to dash into enemies. Some recent reviews criticize busy effects and difficulty reading the action.
Screenshots and trailer
Trigonarium system requirements
Minimum: OpenGL 2.1+, 0.5 GB RAM, 0.2 GB of disk space.
As published by the developer.
Can my PC run Trigonarium?
Tell us your graphics card once and every game page will answer this for you.
Set up my PC →Minimum
- OS
- Windows 7 or newer
- Processor
- 1+ Ghz, dual-core processor
- Graphics
- OpenGL 2.1+
- Memory
- 512 MB RAM
- Storage
- 150 MB available space
- DirectX
- Version 9.0c
Does Trigonarium have co-op or multiplayer?
Yes: co-op split-screen. It also has a single-player mode. With Remote Play Together, one copy is enough to play the local modes online with friends.
Does Trigonarium run on Steam Deck?
Untested Not yet tested by Valve on Steam Deck.
PC version details
- DRM
- None declared on Steam
- Controller
- Keyboard and mouse
- Platforms
- Windows
- Achievements
- 29
- Steam features
- Cloud saves, Family Sharing, Trading cards
- Languages
- Text only: English, Finnish.
Does Trigonarium use AI-generated content?
No AI-generated content is disclosed on the game's Steam page.
Self-reported by the developer under Steam rules: it covers AI content that ships in the game, not tools used to make it. Steam page checked on Oct 27, 2026. How to filter AI games on Steam