2 In 1 - Sonic Advance & Sonic Battle ROM Download can be obtained free for Gameboy Advance on EmuGames.net only. Play Sonic emulator game in English for the USA region. 2 In 1 Sonic Advance & Sonic Battle is a GBA ROM that you can download to your computer or play online within your browser. You can also download roms such as Pokemon Platinum Version and God Of War Chains Of Olympus that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.