I apologize in advance about this rant, but I need to get this off my chest.
I seriously hope this is a bad joke. But from this fairly convincing forum post it seems like King.com not only claims this word to be its trademark.
It looks like they want to sue Stoic Studios for infringing on this trademark with their really great game The Banner Saga. Continue reading King.com claims the rights to the word “Saga” in Video Game Titles