16 planets are being attacked by the aliens. The higher the game level, the more merciless their attack becomes. Only your skillful and intelligent defense tactics will prevent them from conquering all of the planets. To do so, you need to figure out the aliens' attack strategy: indiscriminate firing will only lead to you being destroyed.

Your ability to remember pictures is put to the test in JoQmory. You can compete against 10 computer opponents, thereby training your memory skills. Your improvements will be noted in the high score list. You can also play by yourself, or against another player. JoQmory has three card decks to choose from: pictures, letters, and colors. Find out if you have a better memory for pictures, letters, or color.

Can you plan quickly, and are you good at thinking ahead? Then put your abilities to the test in JoRace. Build a road network and keep the golden ball in play for as long as possible. But be careful not to get too close to the black hole! The game ends when the ball is either swallowed by the black hole, or when it reaches a dead end.

JoYtair is an exciting family game like the classic peg game Solitaire. Remove the pegs one after the other by jumping horizontally or vertically over one. The one being jumped will be removed from the board. Use your brain and try to remove all the pegs except one. If the same peg jumps over several pegs consecutively, it is counted as one move.There are 30 different boards.

Besides being an entertaining game, JoTower effectively trains your ability to concentrate. Your task: The tower that is on the left base at the beginning of the game has to be built up again on the right base. The rules for moving the tower blocks:A block can either be placed directly on the base or on top of a larger block.

Move the Pac through the labyrinth. His mission is to free his PacWife who has been captured by the Grolians! Prevent the reproduction of Grolians by collecting their eggs! But be careful: the Pac is being followed by the intelligent Grolians. Contact with them will result in immediate termination of the game. Only with skilled use of aids will the Pac be in a position to complete his mission successfully.