Now in beta
Black Queen
A rummy-style card game for two to ten players. Three AI opponents with personality, cross-device multiplayer, and no dark patterns. iOS & Android.
blackqueen.app →Peace Harbor Studios
An independent app studio in Sandpoint, Idaho. We build thoughtful, durable apps for iOS and Android.
Now shipping
In your hands today, or about to be.
A small studio.
Independent. Built on Cloudflare for speed and durability. We keep the surface area narrow on purpose so each release earns the attention it asks for.
Get in touch
Pitch us a problem, ask about Black Queen, or say hi.