Press A to run the last selected function or B repeatedly to select function: Echo game, Roll dice, worm game. Press A to run the function. In Echo game mode, hold by the ground and repeat the leg pattern. In Dice mode: this uses a Linear Congruential Generator to generate random die results. Press B to see the number of sides. Press A to roll. After pressing B, you can set the number of sides to 20 (press B), to 100 (ground 1), to 4 (ground 3) or cycle up (ground 0) or down (ground 2) through 4-6-8-10-12. .In worm mode, press A to move left, B to move right, ground 0 to move up, and ground 2 to move down. Ok to cross the starting point. Do not cross the path. Win with 0 or 1 missing light.