The sound designer is the person responsible for creating all music and sound effects for a game.
The thing that is most expected from the sound designer is to provide the game with a unique and distinct sound that can make a difference in the player's involvement in the game he's playing.
There is one distinctive factor that makes the job of a game sound designer different from that of his closest relative, the audio designer for movies, which is randomness.
In games, there is never (or should never be) a total control on the exact sequence of events that will be triggered by the player. This is the reason why sound design in games tends to be based on things that may or should happen, rather than what will happen next. As a fact, ...