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.
Developer
3d
Category
Released
10 August, 2026
Last updated
7 hours ago
Game engine
HTML5
Platforms
Android, iOS, Web
Orientation
Landscape
Views
0
Description
Instructions
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 th









