This page contains Sonic Adventure DX Unlockables for Gamecube called "Play as Super Sonic" and has been posted or updated on Jul 13, 2007 by chesco. Let us know what you think of this Unlockable by thumbs voting.
Play as Super Sonic
Complete the game using all six starting characters to unlock Super Sonic. Sonic will transform into Super Sonic after some time into the next game.
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