Pokemon Diamond V2 (Hack) ROM Download for Gameboy Color (GBC) on Emulator Games. Play Pokemon Diamond V2 (Hack) game that is available in the United States of America (USA) version only on this website. Pokemon Diamond V2 (Hack) 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 Pokemon - Yellow Version, Pokemon Diamond (Hack) and Pokemon - Crystal Version (V1.1) as shown below. Pokemon Diamond V2 (Hack) works on all your devices in high quality.