GC Secrets

Sonic Adventure DX

Unlock Super Sonic
Complete the game with all six starting characters to unlock Super Sonic.
100% success rate. 

Unlock Metal Sonic
Collect 130 Emblems to unlock Metal Sonic in trail mode.
0% success rate. 

Control Tails
After Tails has been obtained in 'Story Mode', you can use controller two to control him.

Unlock Metal Sonic
Collect all 130 emblems to play as Metal Sonic instead of Sonic on Sonic's trial missions.
Submitted by Graham_Ashton. 

Unlock Super Sonic and Battle with Perfect Chaos
Complete the game with all the characters to unlock the Super sonic ending which features the battle with perfect Chaos.
Submitted by Graham_Ashton. 

The secrets above are currently all the cheats, codes, tips and walkthroughs for the Gamecube game, Sonic Adventure DX, that GC Secrets currently knows about. Please be aware that we are not able to verify that all cheats and tips for Sonic Adventure DX work, and at worst may even harm your game. Because of this, we recommend that you save your game before using any of the codes above, incase there are any undesirable effects. Also, for a small number of games, it may be the case that different versions of the game have different cheat codes (for example the NTSC (American version) and the PAL (UK version or European version) could have different level passwords).

See our affiliate website, nGaming, for reviews and message forums for Sonic Adventure DX on the Nintendo Gamecube.