Best Game on PS2! Great Everything
The main character is Sora, a normal boy living a normal life, getting bullied by a rival, fighting some close friends to a friendly match of sword. After a series of events, your world is invaded by shadows called Heartless. Sora realizes that his friends, Riku and Kiari have gone missing! At the end of the invasion, he is sent to another world! At this world, he meets Donald and Goofy. The duo are looking for a "key" and their King.
Travel to different worlds meeting different Final Fantasy characters like Cloud, Leon, and Yuffie. Also meet Disney Characters from classic movies like you used to watch as a kid/toddler.
Solve the Mystery of the Heartless invasion. And find you this "key".