Rampart ROM Download for Gameboy Color (GBC) on Emulator Games. Play Rampart game that is available in the United States of America (USA) version only on this website. Rampart is a Gameboy Color emulator game that you can download to your computer or play online within your browser. You can also download free ROMs such as Gauntlet & Rampart, Rampart (1991) and Gauntlet & Rampart (Supplex) as shown below. Rampart works on all your devices in high quality.