Koumii

Enter a magical duel where every turn is a new creation. Craft your own spells, predict your opponent's moves, and outplay them in a fast-paced battle to be the last player standing. A casual 2-player experience for friends and foes alike.

At a glance

• Platform: Windows, macOS, Linux.
• Genres: Casual, Indie, Strategy, Free To Play, Early Access.
• Release date: May 14, 2026.
• Steam user reviews: 3 user reviews (67% positive).
• Delivered as a Steam library entitlement — activation is handled by Steam.

Minimum

Recommended

System requirements as published by the developer on Steam.

Activate on Steam

• Open the offer above — it takes you to this game's official Steam store page.
• Buy it there, or if you bought a key elsewhere, open Steam and choose Games → Activate a Product on Steam.
• Enter the product code exactly as it was issued to you.
• The game appears in your Steam library — download and play.

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