Today's modifiers
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Stack cards that share a suit or rank.
Stacks is a free daily card puzzle. You link touching cards that share a suit or a rank, score the stack, and do it six times. Each day brings three modifiers that change what scores best.
No. There's no clock at all. Take as long as you like over each stack.
Yes. Everyone gets the same cards and the same modifiers each day.
Yes. Open the week strip on your results screen to go back through the last seven days.
No. Stacks is free and runs in your browser. An account keeps your streak across devices and unlocks leaderboards and friends.