| Nintendo Game Boy Color cart. |  Medarot 2 - Parts Collection Model DMG- | 1999 | Imagineer Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Megami Tensei Gaiden - Last Bible II Model DMG-A2LJ-JPN | 1999 | Atlus Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Mickey's Racing Adventure Model CGB-ARNE-USA | 1999 | Nintendo of America, Inc. USA 45496 |
| Nintendo Game Boy Color cart. |  Mickey's Racing Adventure Model CGB-ARNP-EUR | 1999 | Nintendo of Europe GmbH 45496 |
| Nintendo Game Boy Color cart. | Minna no Shougi - Shokyuu-Hen Model DMG-A7YJ-JPN | 1999 | M²TO, Inc. |
| Nintendo Game Boy Color cart. | Missile Command Model CGB-ALCP-EUR | 1999 | Hasbro Interactive, Inc. |
| Nintendo Game Boy Color cart. | Missile Command Model CGB-VLCE-USA | 1999 | Hasbro Interactive, Inc. |
| Nintendo Game Boy Color cart. | Monopoly Model DMG-ANOE-USA | 1999 | Majesco Sales, Inc. |
| Nintendo Game Boy Color cart. | Monster Farm Battle Card GB Model DMG-A6TJ-JPN | 1999 | Tecmo, Ltd. Tokyo, Japan |
| Nintendo Game Boy Color cart. | Monster Race 2 Model DMG-AMWJ-JPN | 1999 | KOEI Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Mortal Kombat 4 Model DMG-A4KP-EUR | 1999 | Midway Home Ent. |
| Nintendo Game Boy Color cart. | Motocross Maniacs 2 Model CGB-AMHE-USA | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Mr Nutz Model CGB-ANUE-USA | 1999 | Infogrames Ent., Inc. CA, USA 20295 |
| Nintendo Game Boy Color cart. | Mr Nutz Model CGB-ANUP-EUR | 1999 | Infogrames Europe 546430 |
| Nintendo Game Boy Color cart. | Mr Nutz Model CGB-ANUP-FAH | 1999 | Infogrames Europe 546430 |
| Nintendo Game Boy Color cart. | Mr Nutz Model CGB-ANUP-NOE | 1999 | Infogrames Distribution 014762 |
| Nintendo Game Boy Color cart. | Ms. Pac-Man - Special Color Edition Model DMG-AQCE-USA | 1999 | NAMCO Hometek, Ltd. USA |
| Nintendo Game Boy Color cart. | Ms. Pac-Man - Special Colour Edition Model DMG-AQCP-EUR | 1999 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Nintendo Game Boy Color cart. | NASCAR Challenge Model CGB-CGB-VNCE-USA | 1999 | Hasbro Interactive, Inc. |
| Nintendo Game Boy Color cart. | NBA 3 on 3 featuring Kobe Bryant Model DMG-ACVE-USA | 1999 | Nintendo of America, Inc. USA 45496 |
| Nintendo Game Boy Color cart. | NBA In the Zone Model DMG-ANZE-USA | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | NBA Jam '99 Model DMG-AJME-USA | 1999 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Nintendo Game Boy Color cart. | NBA Jam '99 Model DMG-AJMP-EUR | 1999 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Nintendo Game Boy Color cart. | NBA Pro '99 Model DMG-ANZP-EUR | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | NFL Blitz 2000 Model CGB-AX2E-USA | 1999 | Midway Home Ent. |
| Nintendo Game Boy Color cart. | NHL Blades of Steel Model CGB-ANEE-USA | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Nobunaga no Yabou - Game Boy Ban 2 Model DMG-AGYJ-JPN | 1999 | KOEI Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Ohasuta Yama-chan & Raymond Model DMG-AOSJ-JPN | 1999 | Epoch Co., Ltd. Tokyo, Japan |
| Nintendo Game Boy Color cart. | Othello Millennium Model DMG-AO7J-JPN | 1999 | Tsukuda Original Japan |
| Nintendo Game Boy Color cart. | Other Life - Azure Dreams GB Model DMG-AAZJ-JPN | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Ou Dorobou Jing - Angel Version Model DMG-AZWJ-JPN | 1999 | NCS Corp. Nippon Computer Systems Japan |
| Nintendo Game Boy Color cart. | Ou Dorobou Jing - Devil Version Model DMG-AZKJ-JPN | 1999 | NCS Corp. Nippon Computer Systems Japan |
| Nintendo Game Boy Color cart. | Owarai Yowiko no Game-dou - Oyaji Sagashite Sanchoume Model DMG-AYIJ-JPN | 1999 | Konami Co., Ltd. Japan |
| Nintendo Game Boy Color cart. | Pac-Man - Special Color Edition Model DMG-AACE-USA | 1999 | NAMCO Hometek, Ltd. USA |
| Nintendo Game Boy Color cart. | Pac-Man - Special Colour Edition Model DMG-AACP-EUR | 1999 | Acclaim Ent., Inc. Glen Cove, NY, USA |
| Nintendo Game Boy Color cart. | Pachinko CR Mouretsu Genshijin T Model DMG-AXAJ-JPN | 1999 | HECT Hector Japan |
| Nintendo Game Boy Color cart. | Pachinko Hisshou Guide - Data no Ousama Model DMG-AYEJ-JPN | 1999 | Boss Communications |
| Nintendo Game Boy Color cart. | Pachipachi Pachi-Slot - New Pulsar-Hen Model DMG-ANPJ-JPN | 1999 | Starfish, Inc. Japan |
| Nintendo Game Boy Color cart. | Paperboy Model CGB-AYPE-USA | 1999 | Midway Home Ent. |
| Nintendo Game Boy Color cart. | Paperboy Model CGB-AYPP-EUR | 1999 | Midway Home Ent. |
