The well known "4-In-A-Line" game. It is powered by an Atmel AVR AT90S2333. You can either play against the computer or a second player. It features an auto off and caleidoscope function. Also the orientation is automaticaly adjusted. A video of the system in action on Youtube: This is also a well known brain teaser game. The LED's light up with a beep tone in random order, one more each turn and the player has to re-enter the order. Speed-o-meter game. The red and one of the green LED's light up alternately. Each time you press the button when the green one lights up you go to a level higher and the speed increases. Pressing the button when the red light is on will end the game.