Zero21 is a challenging game with a simple rule: Try to stay between 0 and 21. It's not easy! Zero21 Solitaire is a fun numbers game with solitaire flavor to relax and unwind while keeping your mind sharp. Collect all the number cards on the board while keeping your sum between 0 and 21. But be careful! Zero21 Solitaire is more difficult than you think. More Similar Games
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