A person that is really good at every game and able to make people really happy and can beat anyone is a 1v1

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)

A person that is very good in every single game and wastes half of his day on games