Posted (>w<) and Shaman King! I don't remember much about it, other than I'd wait to watch it every night a lot of years back. And the protagonist has this swordsman ghost or something and a friend who can see spirits too?

Gah, my internet is being so slow at the moment. But pfft, the idea of so many people playing one game at the same time is interesting xD that must be a chaotic run. How did they even manage to get a badge? And Don GIFS xD!