Welcome to Classic Spot The Differences game with duel mode! Train your brain while relaxing and enjoying these amazing real pictures find the differences game! Become difference detective and Improve your observation skills and allow your self to relax while playing this spot the differences fun with HD graphics! Also, it has two players functionality, i.e. 2-player games. Challenge Your Friends requires two players and one device. This is not an online multiplayer game, but both players play on the same device. Play games for two.