“Diamond” is a theft game. In the game, users are playing as thieves. Their task is to tap on the thieve character and steal as many diamonds as they can within a time limit. The challenge is, the diamonds are being monitored under tight security. A beam of spotlight will move left and right randomly and whenever it shines on the diamonds, is when tapping must stop. Scored will be deducted if stealing happen when the spotlight is shined on the diamonds. User who scores higher will be the winner at the end of game.