| Nintendo Game Boy Cart. |  Paperboy Model DMG-MP-USA | 1990 | Mindscape, Inc. Northbrook, IL, USA 24294 |
| Nintendo Game Boy Cart. | Parasol Henbee Model DMG-PHJ | 1990 | Epoch Co., Ltd. Tokyo, Japan |
| Nintendo Game Boy Cart. | Penguin Land Model DMG-PLJ | 1990 | Pony Canyon, Inc. Japan |
| Nintendo Game Boy Cart. | Penguin Wars Model DMG-PW-USA | 1990 | Nexoft Corp. CA, USA |
| Nintendo Game Boy Cart. | Penguin-kun Wars VS. Model DMG-PWJ | 1990 | ASCII Corp. Japan |
| Nintendo Game Boy Cart. |  Pinball - Revenge of the 'Gator Model DMG-PB-NOE | 1990 | HAL Laboratory, Inc. Japan |
| Nintendo Game Boy Cart. | Pinball - Revenge of the 'Gator Model DMG-PB-UKV | 1990 | HAL Laboratory, Inc. Japan |
| Nintendo Game Boy Cart. | Pinball - Revenge of the 'Gator Model DMG-PB-USA | 1990 | HAL America, Inc. |
| Nintendo Game Boy Cart. | Pipe Dream Model DMG-PD-USA | 1990 | BPS Bullet-Proof Soft. Japan |
| Nintendo Game Boy Cart. | Pipe Dream Model DMG-PDA | 1990 | BPS Bullet-Proof Soft. Japan |
| Nintendo Game Boy Cart. | Pitman Model DMG-PMA | 1990 | ASK Kodansha Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Play Action Football Model DMG-FL-USA | 1990 | Nintendo of America, Inc. USA 45496 |
| Nintendo Game Boy Cart. | Pocket Stadium Model DMG-PKJ | 1990 | Atlus Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Ponta to Hinako no Chindouchuu - Yuujou-Hen Model DMG-AAJ | 1990 | Naxat Soft. Japan |
| Nintendo Game Boy Cart. | Popeye Model DMG-PYA | 1990 | Sigma Enterprises, Inc. Tokyo, Japan |
| Nintendo Game Boy Cart. | Power Mission Model DMG-XCA | 1990 | VAP Game Japan |
| Nintendo Game Boy Cart. | Power Racer Model DMG-PQ-NOE | 1990 | Tecmo, Ltd. Tokyo, Japan |
| Nintendo Game Boy Cart. | Power Racer Model DMG-PQ-USA | 1990 | Tecmo, Inc. CA, USA |
| Nintendo Game Boy Cart. | Pri Pri - Primitive Princess! Model DMG-P2A | 1990 | SUNSOFT Kounan, Japan |
| Nintendo Game Boy Cart. | Pro Wrestling Model DMG-PRJ | 1990 | Human Ent. Japan |
| Nintendo Game Boy Cart. | Puzznic Model DMG-PZA | 1990 | Taito Corp. Japan |
| Nintendo Game Boy Cart. | Q Billion Model DMG-QB-USA | 1990 | Seta USA, Inc. |
| Nintendo Game Boy Cart. | Qix Model DMG-QX-AUS | 1990 | Nintendo Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Qix Model DMG-QX-FAN | 1990 | Nintendo Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Qix Model DMG-QX-NOE | 1990 | Nintendo of Europe GmbH 45496 |
| Nintendo Game Boy Cart. | Qix Model DMG-QX-UKV | 1990 | Nintendo Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Qix Model DMG-QX-USA | 1990 | Nintendo of America, Inc. USA 45496 |
| Nintendo Game Boy Cart. | Qix Model DMG-QXA P | 1990 | Nintendo Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Quarth Model DMG-QR-USA | 1990 | Konami, Inc. USA |
| Nintendo Game Boy Cart. | Quarth Model DMG-QRJ | 1990 | Konami Industry Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Radar Mission Model DMG-RMA | 1990 | Nintendo Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Ranma ½ Model DMG-RNJ | 1990 | Banpresto Japan |
| Nintendo Game Boy Cart. | Red Arremer - Makaimura Gaiden Model DMG-RAJ | 1990 | Capcom Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Roadster Model DMG-RSA | 1990 | Tonkin House Japan |
| Nintendo Game Boy Cart. | RoboCop Model DMG-CP-FAH | 1990 | Ocean Soft., Ltd. 13156 |
| Nintendo Game Boy Cart. | RoboCop Model DMG-CP-NOE | 1990 | Ocean Soft., Ltd. 13156 |
| Nintendo Game Boy Cart. | RoboCop Model DMG-CP-USA | 1990 | Ocean of America, Inc. San Jose, CA, USA |
| Nintendo Game Boy Cart. | Sa-Ga 2 - Hihou Densetsu Model DMG-S2J | 1990 | Square Co., Ltd. Japan |
| Nintendo Game Boy Cart. | Sakigake!! Otoko Juku - Meioutou Kessen Model DMG-OMJ | 1990 | Yutaka |
| Nintendo Game Boy Cart. | Scotland Yard Model DMG-SYJ | 1990 | Toei Animation Co., Ltd. Japan |
