You have four columns to place cards. Try to get the cards in each column to equal 21.
Source
https://www.playitontheweb.com/games/Catch-21-game.htm
Catch 21 screenshots
Catch 21
| Rating: | [0 / 5 - 0 Votes] |
| Tags: | Card , Puzzle |
| Language: | English |
| Play Mode: | Single Player |
| Library: | Flash Games |
Not exactly like the TV show BUT still much fun