Announcement
Patch 2
Changes to how the card Refine works behind the scenes should now eliminate situations where using the card in prolonged matches would sometimes cause the game to crash.
Steam
Koan
Also known as Koan, k, koan
A playable story about soldiers trapped on an enemy planet and their journey home. This Sci-Fi RPG uses card-based combat as you help guide the characters home.
Last update
30 May 2026
Players now
0
Original sources
1
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Browse past updates and patch notes for this game.
Gallery
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Achievements
Community progression
Top picks from 6 Steam achievements, sorted by player unlock rates.
- We're Gonna Be Rich!Have 50 or more essence.9.5%
- What's This Doing Here?Discover something odd into your deck.9.5%
- Nothing Ever EndsComplete the game.9.5%
- Do Not Need, Will Not UseBeat the game without ever printing anything.4.7%
- PUNCH!!!!!Play Perfect Strike for 50 or more damage.4.7%
- OptimizedBeat the game in under 5 hours.0.0%