Players play number cards adding to a shared running sum. No player may send the sum over 101, and a player is eliminated if unable to make any plays. Most cards are 1-10 number cards, but special cards include reversing the turn order, passing a turn, subtracting 10 from the total, adding 50, and setting the total to exactly 101. Players lose one of their three "101" chits when they cannot play, ending the round. After multiple rounds, the last player to possess any chits wins.