This page contains ALL the unlockables, achievements, and trophies we know of for Sonic Mega Collection for GameCube. Please DO NOT contact us asking for additional Sonic Mega Collection unlockables, achievements, or trophies. As soon as we discover any new unlockable, achivement, or trophy, we publish it here immediately. If you have a Sonic Mega Collection for GameCube unlockable, achievement, or trophy that is not listed here, please submit it.
