- G-LOC: Air Battle (GG)
- G.G Series AIR PINBALL HOCKEY (DSiWare)
- G.G Series ALL BREAKER (DSiWare)
- G.G Series ALTERED WEAPON (DSiWare)
- G.G Series ASSAULT BUSTER (DSiWare)
- G.G Series BLACK X BLOCK (DSiWare)
- G.G Series CONVEYOR TOY PACKING (DSiWare)
- G.G Series COSMO RALLY!! (DSiWare)
- G.G Series DRILLING ATTACK!! (DSiWare)
- G.G Series ENERGY CHAIN (DSiWare)
- G.G Series EXCITING RIVER (DSiWare)
- G.G Series GREAT WHIP ADVENTURE (DSiWare)
- G.G Series HERO PUZZLE (DSiWare)
- G.G Series NYOKKI (DSiWare)
- G.G Series RUN & STRIKE (DSiWare)
- G.G Series SCORE ATTACKER (DSiWare)
- G.G Series SHADOW ARMY (DSiWare)
- G.G Series THE HIDDEN NINJA KAGEMARU (DSiWare)
- G.G Series THE LAST KNIGHT (DSiWare)
- G.G Series THE SPIKY BLOWFISH!! (DSiWare)
- G.G Series THROW OUT (DSiWare)
- G.G Series VECTOR (DSiWare)
- G.G Series VERTEX (DSiWare)
- G.G Series WONDERLAND (DSiWare)
- G.G Series: Drift Circuit (DSiWare)
- G.G Series: Ninja Karakuri Den (DSiWare)
- G.G Series: Super Hero Ogre (DSiWare)
- G.G Series: Z-ONE (DSiWare)
- G1 Jockey Wii (Wii)
- G1 Jockey Wii 2008 (Wii)
- Gabrielle's Ghostly Groove 3D (3DS)
- Gabrielle's Ghostly Groove Mini (3DS eShop)
- Gabrielle's Ghostly Groove: Monster Mix (WiiWare)
- Gaia's Moon (DSiWare)
- GAIABREAKER (Wii U eShop)
- Gain Ground (MD)
- Gaist Crusher (3DS)
- Gaist Crusher God (3DS)
- Galactic Pinball (VB)
- Galactic Taz Ball (DS)
- Galaga (NES)
- Galaga '90 (TG-16)
- GALAXY BLASTER (New 3DS)
- Galaxy Fight: Universal Warriors (Neo Geo)
- Galaxy Force II (MD)
- Galaxy Saver (DSiWare)
- Game & Wario (Wii U)
- Game & Watch Ball (DSiWare)
- Game & Watch Chef (DSiWare)
- Game & Watch Collection (DS)
- Game & Watch Collection 2 (DS)
- Game & Watch Donkey Kong Jr. (DSiWare)
- Game & Watch Flagman (DSiWare)
- Game & Watch Gallery (GB)
- Game & Watch Gallery 2 (GBC)
- Game & Watch Gallery 3 (GBC)
- Game & Watch Gallery Advance (GBA)
- Game & Watch Helmet (DSiWare)
- Game & Watch Judge (DSiWare)
- Game & Watch Manhole (DSiWare)
- Game & Watch Mario's Cement Factory (DSiWare)
- Game & Watch Vermin (DSiWare)
- Game Boy Camera (GB)
- Game Festival 1 (3DS)
- Game Festival 2 (3DS)
- Game Party (Wii)
- Game Party Champions (Wii U)
- GameCenter CX 3 (3DS)
- Games For Toddlers (Wii U eShop)
- Gangstar 2: Kings of L.A. (DSiWare)
- Gaplus (VC Arcade)
- Gardening Mama (DS)
- Gardening Mama 2: Forest Friends (3DS)
- Gardenscapes (3DS eShop)
- Garfield Kart (3DS)
- Gargoyle's Quest (GB)
- Gargoyle's Quest II: The Demon Darkness (NES)
- Garou: Mark of the Wolves (Neo Geo)
- Gate of Thunder (TG-16)
- Gauntlet Legends (N64)
- Gear Gauntlet (Wii U eShop)
- Gear.Club (Switch eShop)
- Gears (Wii U eShop)
- Geist (GCN)
- Geki Yaba Runner Deluxe (3DS eShop)
- Gem Break (Wii U eShop)
- Gem Smashers (3DS)
- Gemology (Wii U eShop)
- Gene Labs (DSiWare)
- Gene Labs (WiiWare)
- Generator Rex: Agent of Providence (3DS)
- Genghis Khan II: Clan of the Gray Wolf (SNES)
- Genso Suikoden Card Stories (GBA)
- GEOM (Wii U eShop)
- Geometry Wars Galaxies (Wii)
- Geometry Wars Galaxies (DS)
- George of the Jungle (Wii)
- GetClose: A Game for RIVALS (Wii U eShop)
- Ghost Blade HD (Wii U eShop)
- Ghost Mania (WiiWare)
- Ghost Mansion Party (WiiWare)
- Ghost Squad (Wii)
- Ghost Trick: Phantom Detective (DS)
- Ghostbusters: The Video Game (Wii)
- Ghostbusters: The Video Game (DS)
- Ghosts 'n Goblins (NES)
- Ghosts 'n Goblins (VC Arcade)
- GhostSlayer (WiiWare)
- Ghoul Patrol (SNES)
- Ghouls 'n Ghosts (MD)
- Giana Sisters DS (DS)
- Giana Sisters: Twisted Dreams (Wii U eShop)
- Giana Sisters: Twisted Dreams Director's Cut (Wii U)
- Girlfriends Forever: Magic Skate (WiiWare)
- Girls Like Robots (Wii U eShop)
- Girls' Fashion Shoot (3DS)
- Gley Lancer (MD)
- Globulos Party (DSiWare)
- Glory Days - Tactical Defense (DSiWare)
- Glory of Generals (3DS eShop)
- Glory of Generals: The Pacific (3DS eShop)
- Glory of Heracles (DS)
- Glow Artisan (DSiWare)
- Gnomz (WiiWare)
- Go Fetch! (DSiWare)
- Go Fetch! 2 (DSiWare)
- GO Series: 10 Second Run (DSiWare)
- GO Series: Captain Sub (DSiWare)
- GO Series: D-Tank (DSiWare)
- GO Series: Dark Spirits (DSiWare)
- GO Series: Defence Wars (DSiWare)
- GO Series: Earth Saver (DSiWare)
- GO Series: Fishing Resort (DSiWare)
- GO Series: Let's Swing! (DSiWare)
- GO Series: Picdun (DSiWare)
- GO Series: Pinball Attack! (DSiWare)
- GO Series: Portable Shrine Wars (DSiWare)
- GO Series: Tower of Deus (DSiWare)
- GO Series: Undead Storm (DSiWare)
- Go Vacation (Wii)
- Go! Go! Island Rescue! (DSiWare)
- Go! Go! Kokopolo (DSiWare)
- Go! Go! Kokopolo 3D (3DS eShop)
- Gods vs. Humans (WiiWare)
- Godzilla Unleashed (Wii)
- Goemon's Great Adventure (N64)
- Gold Fever (DSiWare)
- Golden Axe (MD)
- Golden Axe (VC Arcade)
- Golden Axe II (MD)
- Golden Axe III (MD)
- Golden Sun (GBA)
- Golden Sun: Dark Dawn (DS)
- Golden Sun: The Lost Age (GBA)
- GoldenEye 007 (N64)
- GoldenEye 007 (Wii)
- GoldenEye 007 (DS)
- Golf (VB)
- Golf (GB)
- GOLF (NES)
- Golf Story (Switch eShop)
- Gone Home (Wii U eShop)
- GoNNER (Switch eShop)
- Goof Troop (SNES)
- Goony (DSiWare)
- Goooooal América (DSiWare)
- Goooooal Europa 2012 (DSiWare)
- Goosebumps HorrorLand (Wii)
- Goosebumps: The Game (3DS)
- Gotcha Racing (3DS eShop)
- Gothic Masquerade (3DS eShop)
- Gotta Protectors (3DS eShop)
- Gourmet Dream (3DS eShop)
- Governor of Poker (3DS eShop)
- Graceful Explosion Machine (Switch eShop)
- Gradius (NES)
- Gradius (TG-16)
- Gradius II: Gofer no Yabou (TG-16)
- Gradius III (SNES)
- Gradius ReBirth (WiiWare)
- Grand Prix Rock 'N Racing (Wii U eShop)
- Grand Slam Tennis (Wii)
- Grand Theft Auto: Chinatown Wars (DS)
- GravBlocks+ (Wii U eShop)
- Gravitronix (WiiWare)
- Gravity Badgers (Wii U eShop)
- Gravity Falls: Legend of the Gnome Gemulets (3DS)
- Gravity+ (Wii U eShop)
- Green Lantern: Rise of the Manhunters (Wii)
- Green Lantern: Rise of the Manhunters (3DS)
- Green Lantern: Rise of the Manhunters (DS)
- Grey’s Anatomy (Wii)
- Grill-Off with Ultra Hand! (WiiWare)
- Grinsia (3DS eShop)
- Groove Heaven (3DS eShop)
- Groovin' Blocks (WiiWare)
- Grumpy Reaper (Wii U eShop)
- GT Pro Series (Wii)
- Guac' a Mole (Wii U eShop)
- Guacamelee! Super Turbo Championship Edition (Wii U eShop)
- Guilty Gear XX Accent Core (Wii)
- Guilty Gear: Dust Strikers (DS)
- Guitar Hero 5 (Wii)
- Guitar Hero III: Legends of Rock (Wii)
- Guitar Hero Live (Wii U)
- Guitar Hero Metallica (Wii)
- Guitar Hero: Aerosmith (Wii)
- Guitar Hero: On Tour (DS)
- Guitar Hero: World Tour (Wii)
- Guitar Rock Tour (DSiWare)
- Gummy Bears Magical Medallion (3DS eShop)
- Gummy Bears Mini Golf (3DS eShop)
- Gunblade NY and LA Machineguns Arcade Hits Pack (Wii)
- Gundam Wing: Endless Duel (SNES)
- Gunman Clive (3DS eShop)
- Gunman Clive 2 (3DS eShop)
- Gunman Clive HD Collection (Wii U eShop)
- Gunpey DS (DS)
- Guns, Gore & Cannoli (Switch eShop)
- Gunscape (Wii U eShop)
- Gunslugs (3DS eShop)
- Gunslugs 2 (3DS eShop)
- Gunstar Heroes (MD)
- Gurumin 3D: A Monstrous Adventure (3DS eShop)
- Guxt (3DS eShop)
- Gyromite (NES)
- Gyrostarr (WiiWare)