Its a 2D mmo where you create your own character and fight heartless. The more you fight, you will level up and be able to travel to new worlds. Almost all worlds from KH1 and 2 are featured. There is a story that is developing but it is optional. There are guilds you could join. Its kinda hard to exlpain but once you start playing it, you will figure it out. Heres a trailer one of the members made- YouTube - Sealed Memoirs Trailer