Not to be confused with scooter-riding young people in 1960s Britain, a mod in the computer gaming world is a game modification. Mods can seriously enhance a game by fixing bugs or implementing ideas that make the experience more enjoyable, but they are often a bit intimidating to those who are a little uncomfortable mucking about with the internal workings of their game. Anybody who plays Fallout: New Vegas on a PC has at some point come across a mod for it that makes them drool and wish the vanilla game already came like that.