Cover image of Solitaire Zero 21
Cover image of Solitaire Zero 21
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Solitaire Zero 21

Released
2025-03-20 00:00:00
Last Updated
2025-09-26 07:54:01

Play Solitaire Zero 21 and test your math and strategy skills! Add or subtract to hit the perfect total as you clear tricky card levels and earn gems.

Solitaire Zero 21 Game Description

Solitaire Zero 21 combines classic card play with clever number strategy. Your goal? Reduce your number to zero or stay below 21 as you work through a deck of cards that either add or subtract from your total.

How to Play Solitaire Zero 21

  • Start with a number between 0 and 21.
  • Tap cards that add or subtract from your total.
  • Avoid going over 21 or below 0.
  • Complete the level by clearing all cards.
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