The portable playable Picture Quiz operates under the name Web quiz. In the free games, the user is faced with the task to highlight the differences in two seemingly identical pictures only within a tight time limit. Per frame the players stand at the pictures Quiz 30 seconds to find and mark the errors available. Here concentration and a good eye are so in demand. The relentless running timer, which also starts ticking in the last ten Sekundem, provides extra pressure to succeed. Granted, there are probably more exciting games for the computer. but who loves to solve puzzles such images in magazines, may take a look, even if the motifs unfortunately can not be influenced by the player here yet.