Game Challenges
Win in less than 15 seconds
5/15 winners
Win and get 1000

Win in less than 13 mins 18 secs
4/19 winners
Win and get 478

Win in less than 1 mins 18 secs
3/50 winners
Win and get 125

To make a game challenge, go to your My Games page and then click the Challenge button next to your game.