A gameer is a more powerful version of a gamer. While gamers are simply gaming when they play video games, gameers are gameing when they play games. Though, it is said that non-gameers can still be gameing if they play a gamee.
Guy 1: Hello. I'm a gamer. Want to play some video games?
Guy 2: Sorry, I'm a gameer, not a gamer. I would just beat you every time.
Guy 1: True, that's fine.