A clean, modern board and a computer opponent trained on over a million games of self-play. Play single games or matches with the doubling cube, pass and play with a friend, or take on anyone through Game Center.
iPhone · Free · No ads



A sharp opponent
Four levels, trained on 1.5M games
The doubling cube
Matches to 3, 5 or 7, Crawford rule
Play friends online
Turn by turn, through Game Center
Pass and play
Two players, one iPhone
No ads, no account
Free, with nothing to buy
Stats in iCloud
Your record on every device
Found a bug, think the computer made an illegal move, or have an idea? Email hi@radequal.com and tell us your iPhone model and iOS version.
Online matches need you to be signed in to Game Center (Settings › Game Center). Your opponent gets a notification when it’s their turn.