Hg Hydrium ROM Download can be obtained free for Playstation Portable on EmuGames.net only. Play emulator game in English for the USA region. Hg Hydrium is a PSP ROM that you can download to your computer or play online within your browser. You can also download roms such as Kidknapped Adventure No. 1 and Imagine Rescue Vet that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.