Game audio design is the creation of sound effects and music to give games emotional impact.
Music composition for games adds additional dimensions of interactivity that normal linear music doesn’t have.
Sound effects design
Sound effects give actions punch and create atmosphere with background noises suited to the environment.
Foley is the act of recording sound effects to match up with what is happening on the screen. It comes from the sound designer John Foley who pioneered this approach in movies. It can be used to cusotmize sound to match animation in cutscenes.
You’ll need some musical instruments and other gear to make music.