TWENTY or ONE
A 60-second arithmetic duel. You and your opponent get the same seven cards and the same two targets — 20 and 1. Build one equation, land closest to the target you chose, and lock in first: the moment you do, their clock drops to fifteen seconds. Best of three.
Twenty or One is in closed testing. If you have been invited, join the test. If you have not and would like to, email contact@twentyorone.com.