Social Rock Paper Scissors challenges

What is Chack?

Chack brings a really cool concept to the smartphone world; basically it is a social rock paper scissors where you can challenge your friends, family and partner on anything. It is an easy way to get your partner to cook for you or your mate to shout you a beer. Sending a chack is really a matter of seconds: choose a mate, state the challenge & pick your sign to start the game. You will be notified as soon as they have played and discover who won the challenge…"

Chack is a 100% free game.