Solitaire Zero21 is an interesting card game that requires a certain level of computing power and memory. Fun numbers game with solitaire flavor to relax and unwind while keeping your mind sharp. Collect all the number cards on the board and progress through 75 unique levels. It's worth noting that not all cards can let you pass levels, some Sometimes you need to give up some cards to better complete each level. Are you ready?

How to play: Click and drag the mouse to play.