Unlockable - Sonic team eggs | |
| Rappy | Collect 65 coins |
| Tails | Collect 155 coins |
| Knuckles | Collect 215 coins |
| NIGHTS | Collect 185 coins |
| Kapu Kapu | Collect 35 coins |
| Chao | Collect 25 coins |
| Amigo | Collect 105 coins |
| Sonic | Collect 135 coins |
Unlockable - GBA Download Mini Games | |
| Chu Chu Rocket | Bonus Egg In Pirate Island 2 |
| Nights | Circus Park 2 |
| Billy Hatcher Hyper Shoot Easy | Dino Mountain 2 |
| Billy Hatcher Hyper Shoot Hard | Sand Ruin 2 |
| Puyo Pop | Blizzard Castle 3 |
Unlockable - Play as Rolly Roll, Chick Poacher, and Bantam Scrambled | |
| Rolly Roll | Beat Pirate Island Mission 4: Save Rolly |
| Chick Poacher | Beat Dino Mountain Mission 4: Save Chick |
| Bantam Scrambled | Beat Blizzard Castle Mission 4: Save Bantam |
Unlockable - Unlock Multiplayer stages | |
| Pirate Island | Beat Forest Village: mission 2 |
| Dino Mountain | Beat Pirate Island: mission 2 |
| Circus Park | Beat Dino Mountain: mission 2 |
| Sand Ruin | Beat Circus Park: mission 2 |
| Giant Palace | Beat Sand Ruin: mission 2 |
Unlockable - Secret Emblems | |
| Emblem 57 | Complete Egg Gallery |
| Emblem 58 | Complete all 56 missions |
| Emblem 59 | Find and collect all 280 coins |
| Emblem 60 | Get an S Rank in every level |
Unlockable - More Missions | |
| Mission 6 | Find and unlock Rolly |
| Mission 7 | Find and unlock Chick |
| Mission 8 | Find and unlock Bantam |
