Ape Escape: Pumped & Primed

When monkeys start appearing, you'll know something is wrong. Set in a computer-generated world, Ape Escape: Pumped & Primed follows your favorite characters from the Ape Escape series as they battle Specter and his monkeys in a computer-generated world. As Natalie, Spike, the Professor, or Jake, you must defeat your enemies with an array of gadgets and special abilities. You can play cooperatively with a friend in Story mode or go head-to-head in Versus mode. (gamefaqs)