Eyeshield 21 - Devilbats Devildays ROM Download can be obtained free for Gameboy Advance on EmuGames.net only. Play emulator game in English for the USA region. Eyeshield 21 Devilbats Devildays is a GBA ROM that you can download to your computer or play online within your browser. You can also download roms such as Eyeshield 21 Portable Edition and Eyeshield 21 Max Devil Power! that work on all devices including desktop and mobile. Be sure to rate the game if you enjoyed playing this ROM.