Some devices are not able to enter the game play. We have just fixed this bug. Really sorry for being late.
A new game
Welcome to the world of speed 21. Try to get 21!
You can play a classical solitaire game here to get he number 21.
[Rules]
1. Take A as 1
2. Take 2~10 as 2~10
3. Take J/Q/K as 10
4. Try to merge the number to 21 as much as you can