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Trigonarium header art

Trigonarium

Trigonarium is a hardcore twin-stick shooter for fans of challenging arcade gaming. Fight your way through multitudes of enemy formations in constantly shifting battle arenas to face the colossal level bosses.

Steam Page
Release
August 31, 2015
10 years and 338 days ago
Steam Reviews
Very Positive78 reviews89.7%

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Game contextLatest: IGF Team
ContextThe evidence factors used to assess whether this game belongs on IndieGame.Fan.Status
Notes
Latest Contributor: IGF TeamEdit notes
Updated: Jul 14, 2026Developer scaleThe operating scale of the game's developer.
Updated: Jul 14, 2026Publisher scaleThe operating scale of the game's publisher.
A separate publisher is listed without a proven bounded regional or service-only role.
Search Google: Is Trigonarium self-published or published by Kimmo Factor Oy?Publisher statusHow the game's publishing relationship is classified.
Search Google: How is Trigonarium and Kimmo Factor Oy funded?FundingThe known source of funding behind the game.
Search Google: Who controls the creative direction and IP for Trigonarium and Kimmo Lahtinen?Creative controlWho appears to retain creative control of the game.
Updated: Jul 14, 2026Release statusWhether and how the game has been released.
The title released with a separate publisher relationship.

Media

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About the Game

Trigonarium is a hardcore twin-stick shooter for fans of challenging arcade gaming. Fight your way through multitudes of enemy formations in constantly shifting battle arenas to face the colossal level bosses.

  • Original campaign, a 3 world arcade mode to introduce you to the world of Trigonarium
  • Ultimate campaign, a 5 world super intense experience to push your skills to the limit
  • Challenge modes for quick play sessions
  • Local 2 player cooperative play available for all modes

Note: The game can be played with keyboard or mouse/keyboard combination, but a controller is highly recommeded!