Fog of war in a computer game. Black squares represent unknown terrain. Darkened ones have been explored, but are not currently observed by the player.
Cheating in online computer games is a broad category of activities, all of which are generally regarded as modifying the game experience in a way that gives a player an unfair advantage over the other players. Depending on the game, different activities constitute cheating, as it is often a matter of consensus opinion.
Free Game Online Guide online guide for game preview and rules: history, definitions, classification, theory, video game consoles, cheating, links, etc..