Astro-Grover is an educational game for one player based on the Sesame Street franchise. It provides a playful setting in which children practice counting, adding, and subtracting. The game helps children work with numbers in five different ways (How Many Zips?, Beam That Number, Adding Countdown, Take it Away Zips!, Sum Up Sum Down) - assisted by Grover and the Zips from the planet Zap.