Sesame Street 1232 Great Games in One Learning Fun with your Pals from Sesame Street Game 1: Astro Grover Look up in the stars. It's Astro Grover. Help Grover in outer space as he has a close encounter with the friendly Zips from the planet Zap. Children count, add, and subtract Zips as they improve basic math skills. If they answer GROVER correctly, he will fly out to meet the Zips. In the case of a wrong answer, the Man in the Moon will shake his head and encourage