Sega Saturn - G
- G-Vector
- Gaia Breeder
- Galactic Attack
- Galaxy Fight
- Galaxy Fight 2
- Garou Densetsu
- Garou Densetsu 2
- Garou Densetsu 3
- Garou Densetsu 3 - Road to the Final Victory
- Gex
- Ghen War
- Godzilla
- Golden Axe - the Duel
- Gotha
- Gradius Deluxe Pack
- Greatest Nine 98 Summer Action
- Grid Run
- Grid Runner
- Groove on Fight
- GT 24
- Guardian Heroes
- Gun Griffon
- Gun Griffon 2
- GunGriffon
- Gungriffon 2
- Gussun Oyoyo S