- Martin Galway – Commodore 64 sound programmer and composer for Ocean Software and Imagine Software (after Ocean bought the company).
- Andrew Gannon (as part of Nimrod Productions) – Furious Karting, Gran Turismo 4, Race Driver 3
- Michael Giacchino – Medal of Honor series (1999–2003, 2007), Secret Weapons Over Normandy, BLACK
- Adam Gilmore – 8-bit Atari composer, games: Arcade Fruit Machine Simulator, Blinky's Scary School, Draconus, Jocky Wilson's Darts Challenge, Jocky Wilson's Darts Compendium, Las Vegas Casino, Mountain Bike, Ninja Commando, Zybex
- Gary Gilbertson – The Tail of Beta Lyrae, Alternate Reality.
- Simon Gosling – Croc 2
- Gustaf Grefberg – Enclave (video game), The Chronicles of Riddick: Escape from Butcher Bay
- Fred Gray – Shadowfire, Mutants, Madballs, Enigma Force, Black Lamp, Eco, Stargoose, Victory Road
- Jason Graves – Command and Conquer 4, Dead Space series, City of Heroes, Star Trek series, Silent Hunter series
- Harry Gregson-Williams – Metal Gear Solid 2: Sons of Liberty, Metal Gear Solid 3: Snake Eater, Metal Gear Solid 4: Guns of the Patriots
- Aaron Grier – Star Control 2 (with Dan Nicholson, Erol Otus, Kevin Palivec, Marc Brown, Riku Nuottajärvi, Tommy Dunbar)
- Mark Griskey – Harry Potter and the Goblet of Fire, Star Wars: Knights of the Old Republic 2: The Sith Lords, Star Wars Episode 3: Revenge of the Sith, Rayman Raving Rabbids, Rayman Raving Rabbids 2
- Olof Gustafsson – Pinball Fantasies, Pinball Illusions, Pinball Dreams, Benefactor
Read more about this topic: List Of Video Game Musicians
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