Password - Cheat Codes |
| Fast Background Music (Sonic Spinball) | Go to the sound test option and play song in order 0, 4, 2, 5, 5, 7 |
| Instant Chaos Emeralds (Sonic Chaos) | On the character select screen, press Up, Down, Up, Down, B, A, B, A, B, A |
| Level Select (Sonic Chaos) | On the title screen, press Up, Up, Up, Up, Right, Left, Right, Left, Start |
| Level Select (Sonic Labyrinth) | On the title screen, press Up, Up, Right, Right, Right, Down, Down, Down, Down, Down, Down, Left, Left, Left, Left, Left, Left |
| Level Select (Sonic Spinball) | Go to the sound test option and play song in order 0, 2, 1, 5, 6, 6 |
| Level Select (Sonic the Hedgehog 2) | On the title screen, hold Down/Left + A + B and press Start when Tails blinks the 2nd time. |
| No Gravity (Sonic Spinball) | Go to the sound test option and play song in order 0, 9, 0, 1, 6, 8 |
| Sound Test (Sonic Chaos) | On the title screen, press Down, Down, Up, Up, Left, Right, Left, Right, B, A |
| Sound test or Time attack (Sonic Triple Trouble) | At the title screen, press up or down. |
| Zoomed View (Sonic Spinball) | Go to the sound test option and play song in order 0, 2, 1, 1, 6, 6 |
Unlockable - Various Unlockables |
| Dr. Robotnik's Mean Bean Machine | Get 100 Emblems. |
| E102 Gamma | Beat E102 Gamma with Sonic or Tails. |
| Knuckles | Beat Knuckles with Sonic or Tails in story mode. |
| Metal Sonic | Get all 130 Emblems. |
| Mission Mode | Beat a charcter's story(except Super Sonic and Metal Sonic's). |
| Sonic Blast and Tails Adventure | Get all 130 Emblems and complete all 60 Missions. |
| Sonic Chaos | Get 60 Emblems. |
| Big | Talk to Big in Station Square. |
| Amy | Beat Windy Valley with Sonic. |
| Sonic Drift | Get 40 Emblems. |
| Sonic Drift 2 | Get 110 Emblems. |
| Sonic Labyrinth | Get 20 Missions Completed. |
| Sonic Spinball | Get 40 Missions Completed. |
| Sonic the Hedgehog 1 | Get 20 Emblems. |
| Sonic the Hedgehog 2 | Get 80 Emblems. |
| Sonic Triple Trouble | Get 120 Emblems. |
| Super Sonic | Beat Sonic's, Tails', Knuckles', Amy's, E102 Gamma's and Big's stories. |
| Tails | Beat Emerald Coast with Sonic. |
| Tails Skypatrol | Get 130 Emblems. |
Unlockable - Upgrades |
| Ancient Light (Sonic) | On top of a rock on Angel Island. |
| Booster (E-102) | In the Weapon's Armory on the Egg Carrier. |
| Crystal Ring (Sonic) | Walk up the steps in the hotel, press the two buttons and use light speed dash. |
| Fighting Gloves (Knuckles) | On a ledge over Big's house. |
| Jet Anklet (Tails) | In a hole in the ceiling in the seewr behind Twinkle Park. |
| Laser Blaster (E-102) | In the Restricted room on the Egg Carrier after it crashes. |
| Life Belt (Big) | At the entrance of IceCap. |
| Light Speed Shoes (Sonic) | Find it in the sewer (not the one behind Twinkle Park). |
| Long Hammer (Amy) | Beat your own high score on Hedgehog Hammer after the Egg Carrier crashes. |
| Long Rod (Big) | Under the bed at Big's hut. |
| Lure Upgrade 1 (Big) | In the sewer behind Twinkle Park. |
| Lure Upgrade 2 (Big) | Under an sheet of ice in IceCap. |
| Lure Upgrade 3 (Big) | In a cave in the forest. |
| Lure Upgrade 4 (Big) | In one of the jail cells on the Egg Carrier. |
| Rhythm Badge (Tails) | In the flashback with Tikal. |
| Shovel Claw (Knuckles) | In the tunnel inside the tunnel where you find the cart to the Mystic Ruins Chao Garden. |
| Warrior Feather (Amy) | Beat Eggman's high-score on Hedgehog Hammer. |
