Wittygon | Aplusclick Puzzle

Aplusclick Logic Puzzle is a free educational game for Very Intelligent People (VIP) in grades one through twelve and adults. In the Wittygon planetary system, the aim is to move a planet to a nearest neighbor in order to exchange positions. Match 4 or 5 planets in a row to win stars. You win additional points if you correctly answer IQ Bonus Questions. The questions will be automatically adapted to your skills and motivation. The collection of the questions includes more than 400 logic questions, which don't ask for special mathematical knowledge.