Complete each achievement to get the allotted gamerscore. The numbers between the () is the points given for each achievement.
| Achievement | How to unlock |
|---|
| Miles "Tails" Prower (10) | Become friends with Tails. |
| Knuckles the Echidna (10) | Become friends with Knuckles. |
| Amy Rose (10) | Become friends with Amy. |
| E-102 "?" (10) | Become friends with E-102. |
| Big the Cat (10) | Become friends with Big. |
| Sonic the Hedgehog (10) | Clear the Sonic story. |
| Super Sonic (20) | Clear all characters stories. |
| The Fastest & Strongest (20) | Get Level A on all the Action Stages. |
| Sub Game Master (20) | Get all Emblems of the Sub Games. |
| Chao's Best Friend (20) | Get all Emblems of the Chao Race. |
| The Adventurer (20) | Get all Emblems in the Adventure Field. |
| The Perfect Adventurer (40) | Get all 130 Emblems. |
| Metal Sonic (15) | Get all 130 Emblems by playing Sonic Adventure DX. |
| Metal Sonic Master (15) | Get Level A on all the Action Stages by using Metal Sonic. |
| Mission All Accomplished (20) | Clear all 60 missions. |
Verified by: this cheat is unverified
Submitted by:
Intoxication on September 16, 2010
