| Achievement | How to unlock | Points
|
|---|
| All Clear! | Cleared all four titles. | 80
|
| Art Appreciator | Unlocked thirty art collection items with Coins. | 40
|
| Beware Moto Bugs! | Defeated ten Moto Bugs in Sonic the Hedgehog. | 10
|
| Beware Rhinobots! | Defeated ten Rhinobots in Sonic the Hedgehog 3 and Knuckles. | 10
|
| Beware Stingers! | Defeated ten Stingers in Sonic the Hedgehog 2. | 10
|
| Boss Rush Attempt | Tried the Boss Rush from any of the titles. | 10
|
| Bubbly Breath | Use Air Bubbles in Sonic the Hedgehog. | 10
|
| Cleared Sonic CD | Cleared Sonic CD in either Anniversary or Classic Mode. | 80
|
| Cleared Sonic the Hedgehog 2 | Cleared Sonic the Hedgehog 2 in either Anniversary or Classic Mode. | 80
|
| Cleared Sonic the Hedgehog 3 and Knuckles | Cleared Sonic the Hedgehog 3 and Knuckles in either Anniversary or Classic Mode. | 80
|
| Cleared Sonic the Hedgehog | Cleared Sonic the Hedgehog in either Anniversary or Classic Mode. | 80
|
| Easy Peasy with Shields | Collected three types of Shields in Sonic the Hedgehog 3 and Knuckles. | 10
|
| Everyone's Hero | Defeated a total of 200 enemies. | 40
|
| Gallant Spin Dash | Defeated thirty enemies with the Spin Dash. | 10
|
| Knuckles the Echidna | Glided as Knuckles. | 10
|
| Lucky Hedgehog | Got the jackpot in Sonic the Hedgehog 2's Casino Night Zone. | 10
|
| Miles "Tails" Prower | Flew as Tails. | 10
|
| Movie Maniac | Unlocked six movie collection items with Coins. | 40
|
| Museum Time | Viewed the Museum one time. | 10
|
| Newbie Hero | Defeated a total of fifty enemies. | 10
|
| Ring Collector | Collected a total of thousand Rings. | 10
|
| S3 and K Mission Master | Cleared ten Missions from Sonic the Hedgehog 3 and Knuckles with an S rank. | 40
|
| Shut Down Metal Sonic | Won a race against Metal Sonic in Sonic CD. | 10
|
| Sonic CD Mission Master | Cleared ten Missions from Sonic CD with an S rank. | 40
|
| Sonic the Hedgehog 2 Mission Master | Cleared ten Missions from Sonic the Hedgehog 2 with an S rank. | 40
|
| Sonic the Hedgehog Mission Master | Cleared ten Missions from Sonic the Hedgehog with an S rank. | 40
|
| Sound Savant | Unlocked ten sound collection items with Coins. | 40
|
| Super Sonic | Turned into Super Sonic. | 40
|
| Time Traveler | Traveled to the past or future in Sonic CD. | 10
|
| To the Mirror World | Played Mirror Mode. | 40
|
| Very First Mission Clear! | Cleared one Mission. | 10
|
| Welcome to Sonic 3 and Knuckles | Watched the opening for Sonic the Hedgehog 3 and Knuckles. | 10
|
| Welcome to Sonic CD | Watched the opening for Sonic CD. | 10
|
| Welcome to Sonic the Hedgehog 2 | Watched the opening for Sonic the Hedgehog 2. | 10
|
| Welcome to Sonic the Hedgehog | Watched the opening for Sonic the Hedgehog. | 10
|