Solitaire Zero 21
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.
Technology
HTML5
Released
03/20/2025, 12:00:00 AM
Last Updated
09/26/2025, 07:54:01 AM
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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