If you have a knack for cards then you may try out this one! In Crossover 21 you tactically need to match the cards smart in order to achieve the magic '21' both vertical and horizontal. Use helpful Power-Ups which grants you comfortable progress and try to get as many points as you can earn! The further you get, the harder it will be! Features: <ul> <li>Highscore</li> <li>Card Game</li> <li>Advancing difficulty</li> <li>Suitable for all ages</li> </ul>