| Title | Region | Version | Languages | Rating |
| G! XBLIG | | 1.0 | - | none |
| G-Men XBLIG | | 1.0 | - | none |
| G.O.R.K. XBLIG | | 1.0 | - | none |
| Galactic Aquarium, The XBLIG | | 1.0 | - | none |
| Galactic Conquest XBLIG | | 1.0 | - | none |
| Galactic Escape XBLIG | | 1.0 | - | none |
| Galactic Fortress XBLIG | | 1.0 | - | none |
| Galactic Thunder XBLIG | | 1.0 | - | none |
| Galaga XBLA | | 1.0 | - | 10.0 |
| Galaga Legions 2 XBLA | | 1.0 | - | 8.0 |
| Galaga Legions DX XBLA | | 1.0 | - | 8.0 |
| Galax-e-mail XBLIG | | 1.0 | - | none |
| Gallows XBLIG | | 1.0 | - | none |
| Game 35: The Experiment XBLIG | | 1.0 | - | none |
| Game about a soup factory XBLIG | | 1.0 | - | none |
| Game About My Cat, A XBLIG | | 1.0 | - | none |
| Game Created by a 5th Grader XBLIG | | 1.0 | - | none |
| Game for Alexander, A XBLIG | | 1.0 | - | none |
| Game Frenzy XBLIG | | 1.0 | - | none |
| Game of Hockey, A XBLIG | | 1.0 | - | none |
| Game of Horror XBLIG | | 1.0 | - | none |
| Game of Tennis, A XBLIG | | 1.0 | - | none |
| Game of Thrones: Episode 1 - Iron from Ice XBLA | | 1.0 | - | none |
| Game Room | | 1.0 | - | none |
| Game Training Volume 1: Dexterity XBLIG | | 1.0 | - | none |
| Game Training Volume 2: Flight XBLIG | | 1.0 | - | none |
| Game Type XBLIG | | 1.0 | - | none |
| Game You Can't beat drop! 2, A XBLIG | | 1.0 | - | none |
| Game You Can't beat drop!!, A XBLIG | | 1.0 | - | none |
| Gamefarm Math Quiz XBLIG | | 1.0 | - | none |
| GameFinder XBLIG | | 1.0 | - | none |
| Gamerbots: Third-Robot Shooting XBLIG | | 1.0 | - | none |
| Gamerscore Tracker XBLIG | | 1.0 | - | none |
| Games Master -Xbox Game Guides XBLIG | | 1.0 | - | none |
| Ganbare Natsuki San XBLIG | | 1.0 | - | none |
| Garden Gnome Carnage XBLIG | | 1.0 | - | none |
| Garou: Mark of the Wolves XBLA | | 1.0 | - | none |
| Garrett the Slug XBLIG | | 1.0 | - | none |
| Gateways! XBLIG | | 1.0 | - | none |
| Gatling Gears XBLA | | 1.0 | - | none |
| Gauntlet XBLA | | 1.0 | - | none |
| Gear Head XBLIG | | 1.0 | - | none |
| Gel: Set & Match XBLA | | 1.0 | - | none |
| Gem Breaker Twist XBLIG | | 1.0 | - | none |
| Gem Chaser XBLIG | | 1.0 | - | none |
| Gem Chaser II XBLIG | | 1.0 | - | none |
| GemChase XBLIG | | 1.0 | - | none |
| Gemologist XBLIG | | 1.0 | - | none |
| Gems N Rocks XBLIG | | 1.0 | - | none |
| Generic Space Shooter XBLIG | | 1.0 | - | none |
| Genix XBLIG | | 1.0 | - | none |
| Gentlemacho XBLIG | | 1.0 | - | none |
| Gentlemen Start Your Engiiines XBLIG | | 1.0 | - | none |
| Geo Bots XBLIG | | 1.0 | - | none |
| Geology Business XBLIG | | 1.0 | - | none |
| Geometry Wars 3: Dimensions XBLA | | 1.0 | - | none |
| Geometry Wars: Retro Evolved XBLA | | 1.0 | - | 3.0 |
| Geometry Wars: Retro Evolved 2 XBLA | | 1.0 | - | 3.0 |
| Geon: Emotions XBLA | | 1.0 | - | none |
| Gerbil Physics XBLIG | | 1.0 | - | none |
| Gerbil Physics 2 XBLIG | | 1.0 | - | none |
| Geriatrix: Zombie City XBLIG | | 1.0 | - | none |
| German 101 XBLIG | | 1.0 | - | none |
| GERONEKO XBLIG | | 1.0 | - | none |
| Get Off My Island XBLIG | | 1.0 | - | none |
| Get Rich or Die Gaming XBLIG | | 1.0 | - | none |
| Get The Ball XBLIG | | 1.0 | - | none |
| GET TO THA CHOPPA TWOOO!!2 XBLIG | | 1.0 | - | none |
| GET TO THA CHOPPA!!1 XBLIG | | 1.0 | - | none |
| Get Your Cell Together XBLIG | | 1.0 | - | none |
| Get Your Girlfriend Into Games XBLIG | | 1.0 | - | none |
| GGC X XBLIG | | 1.0 | - | none |
| Ghastly Ghouls XBLIG | | 1.0 | - | none |
| Ghost Mine: Dig for Survival XBLIG | | 1.0 | - | none |
| Ghostbusters: Sanctum of Slime XBLA | | 1.0 | - | none |
| Ghosts of Tarr-Minos XBLIG | | 1.0 | - | none |
| Ghouls N Gals XBLIG | | 1.0 | - | none |
| GHXYK2 Classics Vol. 1 XBLIG | | 1.0 | - | none |
| Giana Sisters: Twisted Dreams XBLA | | 1.0 | - | none |
| Giant Hunter XBLIG | | 1.0 | - | none |
| Giball XBLIG | | 1.0 | - | none |
| Gin Rummy XBLA | | 1.0 | - | none |
| Ginga Saikutsudan XBLIG | | 1.0 | - | none |
| Gingerbread Holiday XBLIG | | 1.0 | - | none |
| Gingerbread Holiday Sharing XBLIG | | 1.0 | - | none |
| Girl Fight XBLA | | 1.0 | - | none |
| Gitigiti XBLIG | | 1.0 | - | none |
| Gizmo the Puzzle XBLIG | | 1.0 | - | none |
| Gladiators Escapade XBLIG | | 1.0 | - | none |
| Glare XBLIG | | 1.0 | - | none |
| Glide XBLIG | | 1.0 | - | none |
| GLITNIR XBLIG | | 1.0 | - | none |
| GLOBAL HAWK XBLIG | | 1.0 | - | none |
| Global Warfare XBLIG | | 1.0 | - | none |
| Globe Clicker XBLIG | | 1.0 | - | none |
| Globoid XBLIG | | 1.0 | - | none |
| Glow Arcade Racer XBLIG | | 1.0 | - | none |
| Glowbz XBLIG | | 1.0 | - | none |
| Go XBLIG | | 1.0 | - | none |
| Go 3D XBLIG | | 1.0 | - | none |
| Go Avatar Go XBLIG | | 1.0 | - | none |
| Go Gimbal Go XBLIG | | 1.0 | - | none |
| Go Go UFO Smackdown XBLIG | | 1.0 | - | none |
| Go! Go! Break Steady XBLA | | 1.0 | - | none |
| Goals XBLIG | | 1.0 | - | none |
| Goat Simulator XBLA | | 1.0 | - | 7.0 |
| Goat Simulator: Mmore Goatz Edition XBLA | | 1.0 | - | none |
| Goblyn Stomp XBLIG | | 1.0 | - | none |
| God Mode XBLA | | 1.0 | - | none |
| Gold Digger The Comic 1: 7 XBLIG | | 1.0 | - | none |
| Gold Miner XBLIG | | 1.0 | - | none |
| Golden Axe XBLA | | 1.0 | - | none |
| Golden Tangram XBLIG | | 1.0 | - | none |
| Golf: Tee It Up! XBLA | | 1.0 | - | none |
| Good Sir, A Balloon Race! XBLIG | | 1.0 | - | none |
| Googly-Eyed Splitters XBLIG | | 1.0 | - | none |
| GOOLIN XBLIG | | 1.0 | - | none |
| GoonyCru Day One XBLIG | | 1.0 | - | none |
| Goosebumps: The Game XBLA | | 1.0 | - | none |
| Gory Cyber West XBLIG | | 1.0 | - | none |
| Gotham City Impostors XBLA | | 1.0 | - | 8.0 |
| Grabby Grabby Plushy Plushy XBLIG | | 1.0 | - | none |
| Grand Class Melee XBLIG | | 1.0 | - | none |
| Grand Theft Froot XBLIG | | 1.0 | - | none |
| GraphSpacer XBLIG | | 1.0 | - | none |
| GrappleBoy XBLIG | | 1.0 | - | none |
| GravArena XBLIG | | 1.0 | - | none |
| Grave Breaker XBLIG | | 1.0 | - | none |
| Gravi Dot XBLIG | | 1.0 | - | none |
| Gravitas XBLIG | | 1.0 | - | none |
| Graviton XBLIG | | 1.0 | - | none |
| Graviton AI XBLIG | | 1.0 | - | none |
| Gravitron360 XBLIG | | 1.0 | - | none |
| Gravity XBLIG | | 1.0 | - | none |
| Gravity Bounce XBLIG | | 1.0 | - | none |
| Gravity Dash 2 XBLIG | | 1.0 | - | none |
| Gravity Effect, The XBLIG | | 1.0 | - | none |
| Gravity Fighters XBLIG | | 1.0 | - | none |
| GravityPong XBLIG | | 1.0 | - | none |
| GravSheep XBLIG | | 1.0 | - | none |
| Great Paper Adventure, The XBLIG | | 1.0 | - | none |
| Greed Corp XBLA | | 1.0 | - | 8.0 |
| Green Island XBLIG | | 1.0 | - | none |
| greenTech+ XBLIG | | 1.0 | - | none |
| Grey Infection XBLIG | | 1.0 | - | none |
| Grid Chasers XBLIG | | 1.0 | - | none |
| Grid Legion: Deviant Remix XBLIG | | 1.0 | - | none |
| Grid Space Shooter XBLIG | | 1.0 | - | none |
| GripShift XBLA | | 1.0 | - | none |
| Groov XBLIG | | 1.0 | - | none |
| Growing Pains XBLIG | | 1.0 | - | none |
| GT Attack XBLIG | | 1.0 | - | none |
| Guacamelee: Super Turbo Championship Edition XBLA | | 1.0 | - | 9.0 |
| Guardian XBLIG | | 1.0 | - | none |
| Guardian Heroes XBLA | | 1.0 | - | 10.0 |
| Guardians of Middle-earth XBLA | | 1.0 | - | none |
| Guarding XBLIG | | 1.0 | - | none |
| Guilty Gear XX: Acore Plus XBLA | | 1.0 | - | none |
| Guitar Tuner 360 XBLIG | | 1.0 | - | none |
| Gum Drop Celestial Frontier XBLIG | | 1.0 | - | none |
| Gumzoobo! XBLIG | | 1.0 | - | none |
| Guncraft: Blocked and Loaded XBLA | | 1.0 | - | none |
| Guns Loaded XBLIG | | 1.0 | - | none |
| Guns N Noses XBLIG | | 1.0 | - | none |
| Gunstar Heroes XBLA | | 1.0 | - | 10.0 |
| Gunstringer, The | | 1.0 | - | none |
| Guppy: Collects! 2 XBLIG | | 1.0 | - | none |
| Guwange XBLA | | 1.0 | - | none |
| Gyroball XBLIG | | 1.0 | - | none |
| Gyromancer XBLA | | 1.0 | - | none |
| Gyruss XBLA | | 1.0 | - | 10.0 |
