| Nintendo Game Boy Color cart. |  Gex 3 - Deep Cover Gecko Model CGB-AXGP-EUR | 1999 | Eidos Interactive |
| Nintendo Game Boy Color cart. | Gex 3 - Deep Pocket Gecko Model CGB-AXGE-USA | 1999 | Eidos Interactive |
| Nintendo Game Boy Color cart. | Ghosts'n Goblins Model DMG-AG9E-USA P | 1999 | Capcom Ent., Inc. USA 13388 |
| Nintendo Game Boy Color cart. |  Ghosts'n Goblins Model DMG-AG9P-EUR | 1999 | Capcom Ent., Inc. USA 13388 |
| Nintendo Game Boy Color cart. | Godzilla - The Series Model DMG-AZIE-USA | 1999 | Crave Ent., Inc. |
| Nintendo Game Boy Color cart. | Golden Goal Model DMG-AAFD-NOE | 1999 | Take-Two Interactive |
| Nintendo Game Boy Color cart. | Golden Goal Model DMG-AAFX-EUR | 1999 | Take-Two Interactive |
| Nintendo Game Boy Color cart. | Golf Daisuki! Model DMG-AAGJ-JPN | 1999 | KID Kindle Imagine Develop |
| Nintendo Game Boy Color cart. | Golf de Ohasuta Model DMG-AOHJ-JPN | 1999 | Epoch Co., Ltd. Tokyo, Japan |
| Nintendo Game Boy Color cart. | Golf Ou Model CGB-AZAJ-JPN | 1999 | Digital Kids |
| Nintendo Game Boy Color cart. | Grand Theft Auto Model DMG-AOAE-USA | 1999 | Rockstar Games |
| Nintendo Game Boy Color cart. | Grand Theft Auto Model DMG-AOAP-EUR | 1999 | Rockstar Games |
| Nintendo Game Boy Color cart. | Granduel - Shinki Dungeon no Hihou Model CGB-ADVJ-JPN | 1999 | Bottom Up Japan |
| Nintendo Game Boy Color cart. | Guruguru Garakutas Model DMG-AUGJ-JPN | 1999 | Atlus Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Halloween Racer Model CGB-AHIP-EUR | 1999 | Microïds |
| Nintendo Game Boy Color cart. | Hamster Club Model DMG-AJNJ-JPN | 1999 | Jorudan Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Hamster Paradise Model DMG-AHMJ-JPN | 1999 | Atlus Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Hanasaka Tenshi Tenten-kun no Beat Breaker Model DMG-AHTJ-JPN | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Hello Kitty no Beads Factory Model DMG-AHBJ-JPN | 1999 | Imagineer Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Hello Kitty no Magical Museum Model DMG-AHKJ-JPN | 1999 | Imagineer Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Hello Kitty's Cube Frenzy Model DMG-AF4E-USA | 1999 | NewKidCo International, Inc. |
| Nintendo Game Boy Color cart. | Hexcite Model DMG-AICE-USA | 1999 | UBI Soft Ent., Inc. San Francisco, CA, USA 08888 |
| Nintendo Game Boy Color cart. | Hexcite Model DMG-AICP-EUR | 1999 | UBI Soft Creteil, France 307211 |
| Nintendo Game Boy Color cart. | Hiryuu no Ken - Retsuden GB Model CGB-BKEJ-JPN | 1999 | Culture Brain |
| Nintendo Game Boy Color cart. | Hole In One Golf Model DMG-VHIE-USA | 1999 | Natsume, Inc. Burlingame, CA, USA |
| Nintendo Game Boy Color cart. | Hollywood Pinball Model DMG-AHLP-EUR | 1999 | Take-Two Interactive |
| Nintendo Game Boy Color cart. | Hollywood Pinball Model DMG-AHNJ-JPN | 1999 | Starfish, Inc. Japan |
| Nintendo Game Boy Color cart. | Holy Magic Century Model DMG-AQTP-EUR | 1999 | Virgin Interactive Ent., Ltd. UK 013715 |
| Nintendo Game Boy Color cart. | Honkaku Yonin Uchi Mahjong - Mahjong Ou Model DMG-AAAJ-JPN | 1999 | Warashi, Inc. |
| Nintendo Game Boy Color cart. | Hugo 2 1/2 Model DMG-AHOP-NOE | 1999 | Infogrames Distribution 014762 |
| Nintendo Game Boy Color cart. | Hyper Olympic Series - Track & Field GB Model DMG-AHDJ-JPN | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | It's a World Rally Model DMG-ARLJ-JPN | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | J.League Excite Stage GB Model CGB-AESJ-JPN | 1999 | Epoch Co., Ltd. Tokyo, Japan |
| Nintendo Game Boy Color cart. | Janosch - Das grosse Panama-Spiel Model CGB-AJOD-NOE | 1999 | Infogrames Distribution 014762 |
| Nintendo Game Boy Color cart. | Jeff Gordon XS Racing Model DMG-AJZE-USA | 1999 | ASC Games |
| Nintendo Game Boy Color cart. | Jinsei Game - Tomodachi Takusan Tsukurou yo! Model DMG-ACJJ-JPN | 1999 | Takara Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Jisedai Begoma Battle Beyblade Model CGB-AG5J-JPN | 1999 | Hudson Soft. Hudson Group Japan |
| Nintendo Game Boy Color cart. | Joryuu Janshi ni Chousen GB - Watashi-tachi ni Chousen Shitene Model DMG-A55J-JPN | 1999 | Culture Brain |
| Nintendo Game Boy Color cart. | Juukou Senki Bullet Battlers Model DMG-AZXJ-JPN | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Kakutou Ryouri Densetsu Bistro Recipe - Gekitou Foodon Battle-Hen Model DMG-AWRJ-JPN | 1999 | Banpresto Japan |
