Monsters Inc. ROM Download for Gameboy Advance (GBA) on Emulator Games. Play Monsters Inc. game that is available in the United States of America (USA) version only on this website. Monsters Inc. is a Gameboy Advance emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Yu-Gi-Oh! - Dungeon Dice Monsters, WarioWare Inc. and Dragon Quest Monsters - Caravan Heart (Polla) as shown below. Monsters Inc. works on all your devices in high quality.