Sonic Adventure DX
An ancient evil lurking within the Master Emerald has been unleashed from its slumber by the devious Dr. Eggman and is on the verge of becoming the ultimate monster using the 7 Chaos Emeralds. Only Sonic and his friends are heroic enough to put a stop to Dr. Eggman and his evil minions.
View on SteamAchievements 7/15
Super Sonic
Clear all characters stories.
Unlocked 1 Jul 2017
Sonic the Hedgehog
Clear the Sonic story.
Unlocked 27 Jun 2017
Big the Cat
Become friends with Big.
Unlocked 27 Jun 2017
E-102 "γ"
Become friends with E-102.
Unlocked 27 Jun 2017
Amy Rose
Become friends with Amy.
Unlocked 27 Jun 2017
Knuckles the Echidna
Become friends with Knuckles.
Unlocked 27 Jun 2017
Miles "Tails" Prower
Become friends with Tails.
Unlocked 24 Jun 2017
The Fastest & Strongest
Get Level A on all the Action Stages.
Sub Game Master
Get all Emblems of the Sub Games.
Chao's Best Friend
Get all Emblems of the Chao Race.
The Adventurer
Get all Emblems in the Adventure Field.
The Perfect Adventurer
Get all 130 Emblems.
Metal Sonic
Get all 130 Emblems by playing Sonic Adventure DX.
Metal Sonic Master
Get Level A on all the Action Stages by using Metal Sonic.
Mission All Accomplished
Clear all 60 missions.