Super Mario Galaxy 2 ROM Download can be obtained free for Nintendo Wii on EmuGames.net only. Play Mario emulator game in English for the USA region. Super Mario Galaxy 2 is a WII ROM that you can download to your computer or play online within your browser. You can also download roms that work on all your devices in high quality such as Super Mario World, Super Mario Advance 4 Super Mario Bros. 3 and Super Smash Bros.