Anyone who lies can be called a cheater or a cheat. In school, when you "cheat" it is understood that you have copied others' answers or from a source, say a book, during an exam. Between you and your lover, it could mean having an affair with another or simply lying.
As a way of relaxation and having loads of fun, pc games have evolved into a real industry. Online or offline, from simple flash games to modern wonders, the pc games have attracted an impressive mass of followers that are ready to devour the next achievement.