LeapFrog Leapster Learning Game Go Diego Go! Join Diego on missions in the rainforest, desert, and Antarctica as you train to become an Official Animal Rescuer! Use your mathematics skills to zip to the rescue of animals in need. Power through snow banks as you learn about more than/less than. Help baby penguins learn to swim as you dive into addition. Teaches numbers (1-100), skip counting (by 2s, 5s, and 10s), addition, subtraction and matching skills.