What They Play writes:
"A family guide to Cartoon Network's ambitious online virtual world
I keep hearing about FusionFall. What is it?
FusionFall (full name: Cartoon Network Universe: FusionFall) is a web-based MMORPG (massive multiplayer online role-playing game) that takes place in the Cartoon Network universe. You are cast as a teenage warrior in an apocalyptic battle against invading forces from the Planet Fusion, a traveling planet that has devoured and absorbed other worlds for thousands of years. The content is aimed at kids aged eight to 14."