| Unlockable: | How to Unlock: |
| Espio's Knight Suit | Win Espio Cup in Single Player |
| Espio's Mummy Suit | Beat silver 20 times with Espio |
| Espio's Ninja Suit | Win Espio Cup in Single Player |
| Espio's Race Suit | use Espio's Signature Move 20 times. |
| Knuckles's Armor Suit | Win Knuckles Cup in Single Player |
| Knuckles's Eggman Suit | Win Knuckles Cup in Single Player |
| Knuckles's Gladiator Suit | Beat Rouge 20 times in any mode with Knuckles |
| Knuckles's Race Suit | Attack any rival 50 times with Knuckles |
| Metal Sonic's Circuits Suit | Win Metal Cup in Single Player |
| Metal Sonic's Jester suit | Beat Tails 20 times with Metal Sonic |
| Metal Sonic's Mach 3.0 Suit | Successfully copy every Rival's Signature Moves with Metal Sonic |
| Metal Sonic's Mach2.0 Suit | Win Metal Cup in Single Player |
| Rouge's Armor Suit | Beat Knuckles 20 times with Rouge |
| Rouge's Race Suit | Collect 500 Rings with Rouge |
| Rouge's Raider Suit | Win Rouge Cup in Single Player |
| Rouge's Stealth Suit | Win Rouge Cup in Single Player |
| Shadow's 80's Suit | Win Shadow Cup in Single Player |
| Shadow's Flame Suit | Win Shadow Cup in Single Player |
| Shadow's Mercenary Suit | Beat Sonic 20 times in any mode while using Shadow |
| Shadow's Race Suit | Use Shadow's Chaos Control 20 times. |
| Silver's Christmas Suit | Win Silver Cup in Single Player |
| Silver's Cyber Suit | Beat Espio 20 times in any mode with Silver |
| Silver's Lightning Suit | Win Silver Cup in Single Player |
| Silver's Race Suit | Use Silver's Signature Move on any Rival 20 times |
| Sonic's Black Tie Suit | Beat Shadow 20 times in any mode with Sonic |
| Sonic's Cheetah Suit | Win Sonic Cup in Single Player |
| Sonic's Ice Suit | Win Sonic Cup in Single Player |
| Sonic's Race Suit | Run 15,000 meters with Sonic |
| Tails's Ace pilot Suit | Log 3 minutes of fly time with Tails |
| Tails's Captain Suit | Win Tails Cup in Single Player |
| Tails's Tiger Suit | Beat metal sonic 20 times with Tails. |
| Tails's Zebra Suit | Win Tails Cup in Single Player |
| Unlockable: | How to Unlock: |
| Beat | Get the High Score in the Zone 4 Boss |
| Big and Froggy | Win a match of Capture the Chao without losing a single Chao |
| Blaze the Cat | Get the High Score in Zone 5 Act 1 |
| Blue Falcon | Get an S Ranking in Zone 1 Act 2 |
| Blue Ma Djinn | Get an S Ranking in Zone 2 Act 3 |
| Blue World Ring | Successfully copy every Rival's Signature Moves with Metal Sonicdsw |
| Buzz Bomber | Win 20 Spin Dash Starts |
| Chao (Dark: Power) | Find all Chao in Zone 1 Act 1 |
| Dragonfly | Get the High Score in Zone 3 Act 3 |
| E1000 | Get the High Score in the Zone 5 Boss |
| Egg Cannon | Get an S Ranking in Zone 3 Boss |
| Egg Dealer | Get an S Ranking in Zone 1 Boss |
| Egg Gunner | Get an S Ranking in Zone 3 Act 3 |
| Egg Pawn | Get an S Ranking in Zone 5 Act 1 |
| Gun Hunter | Get the High Score in Zone 6 Boss |
| Hint Box | Successfully use 10 Power Ups |
| Item Box | Successfully Air Boost 25 times |
| Item Box | Attack any Rival 250 times |
| Item Box | Attack any Rival 100 times |
| Jack Bommer | Win Silver Cup in Single Player |
| Knuckles and Master Emerald | Attack your Rival 8 times in a Race |
| Mephiles | Get an S Ranking in Knock Out |
| Moto Bug | Stay in 1st place and win |
| Nebula | Get the High Score in Zone 1 Act 3 |
| Newton | Smash 100 containers |
| Omochao | Defeat the Ifrit with Silver |
| Penguinator | Get the High Score in Zone 2 Act 3 |
| Pointdexter | Get the High Score in the Zone 2 Boss |
| Princess Elise | Get the High Score in Zone 1 Act 1 |
| Rexon | Get the High Score in the Zone 1 Boss |
| Ring | Collect 1000 Rings |
| Shadow the Hedgehog (Bike) | Get an S Ranking in Zone 6 Boss |
| Soleanna | Get the High Score in Zone 2 Act 1 |
| Sonic (Soccer) | Collect 250 Rings |
| Sonic (Swimming) | Collect 5000 Rings |
| Sonic (Xmas) | Attack any Rival 25 times |
| Sonic the Hedgehog | Destroy 10 Badniks |
| Sonic the Hedgehog | Destroy 20 Badniks |
| Sonic the Hedgehog | Destroy 30 Badniks |
| Sonic with Ring | Use 10 Boost Panels successfully |
| Sonic with Ring | Use 50 Boost Panels successfully |
| Spring | Successfully Speed Boost 25 times |
| Tails and Tornado | Attack your Rival 4 times in a Race |
| Tails Icon | Finish a Race with 200 Rings |
| Tikal and Chaos | Win a match of Knock Out without being knocked out |
| Unidos | Get the High Score in the Zone 3 Boss |
| Water Blue Ring | Collect 500 Rings with Rouge |
| Wooden Container | Successfully use 25 Power Ups |
| ZERO | Get the High Score in Zone 6 Act 3 |