Mulligan Keep

Mulligan Keep is a cooperative deck building dungeon crawler where you play as one of four adventurers delving into a mages castle with up to three of your closest friends. Play cards to help you dodge monsters, escape traps and find your way closer to the hidden artifact.

At a glance

• Platform: Windows.
• Genres: Adventure, Casual, Indie, Free To Play.
• Release date: May 23, 2026.
• Steam user reviews: 6 user reviews (50% 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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