From the Game Box
The only limit on Amazing Island is your imagination! Build an entire collection of monsters using a wide variety of legs, arms, wings, eyes, voices, colors and more. Once you've got your perfect monster, compete in a series of fun adn wacky Olympic-style events and party games to win even more accessories, potions and gadgets that will make your monster even cooler and more powerful.
Features:
Create your own monster and enter a series of competitions involving timing, speed and head-to-head battles.
Win monster enhancement with each victory - 20 competitions in all!
Patented "Monster Editing System" allows for nearly infinite number of monster creations, each with unique features and abilities.
Collect and trade your monsters through Game Boy Advance connectivity.