Unlockable - GameGear Games | |
| Get a Sonic emblem or finish ten missions. The 'minigame' option will be added to the main menu. | |
Unlockable - Characters, Mini Game Unlockables, and Mission Mode | |
| Amy | Beat Windy Valley with Sonic. |
| Big | Talk to Big in Station Square. |
| Dr. Robotnik's Mean Bean Machine | Get 100 Emblems. |
| E102 Gamma | Beat E102 Gamma with Sonic or Tails in story mode. |
| 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. |
| 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 sewer behind Twinkle Park. |
| Laser Blaster (E-102) | In the Restricted room on the Egg Carrier after it crashes. |
| Life Belt (Big) | At the entrance to 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. |
Unlockable - Unlockables (Sonic Mega Collection) | |
| Blue Sphere | Play Sonic the Hedgehog and Sonic 3d Blast 20 times each. |
| Comix Zone | Go to Manual mode, and press Z, Z, Z, Up, Up, Up, Down, Down, Down, L, R, and Z (Japanese Version Only). |
| Flicky | Play Dr Robotnik's Mean Bean Machine 30 times. |
| Flicky (alternate) | Have a Sonic Adventure 2 Battle save file on your memory card. |
| Ristar | Play Blue Sphere, Knuckles in Sonic 2, Sonic 3 and Knuckles, and Flicky 30 times each. |
| Sonic 2 & Knuckles | Play Sonic the Hedgehog 2 and Sonic Spinball 20 times each. |
| Sonic 3 & Knuckles | Play Sonic the Hedgehog 3 and Sonic & Knuckles 20 times each. |
| The Ooze | Go to Options mode, and press Up, L, Down, R, Up, Z, Down, L, Up, R, Down, Z (Japanese Version Only). |
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. |
Password - Comix Zone Cheats (Japanese version only) | |
| For cheats in Comix Zone, go to the jukebox and play these numbers. Use the X button to play the music tracks. | |
| Level Select. | Play 14-15-18-5-13-1-3-18-15-6, then highlight either 1-6 and press X to select your stage. |
| Invinicibility. | Play 3-12-17-2-2-10-2-7-7-11. |
Password - Knuckles in Sonic 2 Debug Code | |
| The debug code for Sonic 2 and Knuckles is different to normal Sonic 2. When in the level select screen, which is accessed by pressing Up (x3), Down(x3), Left, right, left, right, then holding the button which is the equivalent of the Mega drive A Button and pressing start, go to the sound test section and play the following sounds, using the Mega Drive B button: 1, 9, 9, 4, 1, 0, 1, 8 Then select the level you wish to debug and hold the mega drive A button, then press start. The Debug controls are: Mega Drive A: Cycle sprites Mega Drive B: Toggle between knuckles and sprite Mega Drive C: Place sprite in level | |
Password - Level Select Codes | |
| New Level Select for Sonic Spinball. | While on options screen enter: B, DOWN, A, DOWN, X, DOWN, B, A, UP, B, X, UP, A, X, UP |
| Sonic 3D Blast Level Select. | On the ''Press Start'' screen, press A, B, Right, B, X, Up, Down, B, Start. |
| Sonic the HOn the ''Press Start'' screen, press A, B, Right, B, X, Up, Down, B, Staredgehog Level Select. | At the title screen hit: Up, Down, Left, Right. Then hold B and press Start to acess the level select list. |
Password - Sonic 2 codes | |
| 14 continues | Go to the sound test options, and play 01, 01, 02 and 04. Then press start. |
| Change Tails' name to Miles (vice versa on Japanese version) | At the title screen, press Up, Up, Up, Down, Down, Down, Up, and a sound will occur. |
Secret - Hidden Eggs | |
| There are three Special Colored hidden Chao eggs found in Adventure Fields.Shiny Silver Egg - This is found in the Mystic Ruins adventure field by going to the waterfall area. Go into the lake and look to the right. You will see a strange wall panel walk up to it and push it and the chao egg will come out from the waterfall.Shiny Gold Egg - Go to the area where Sonic fought Chaos for the first time. Look at one of the palm tree area's and you will see an egg shaped rock pick it up. Take it to the antique store and pick up the gold egg and put the stone in its place.Normal Onyx Egg - Go to the egg carrier prison cell. Where Amy was locked up in one of the cells there is the onyx egg step on the switch to open the cell cage to retrive the egg.NOTE: These eggs can only be obtained once per game file | |
Secret - Mini-game Screen Size Change | |
| If you want to make the screen you are playing you're Mini-games(Game Gear games) on the press L and R simultaneously. This will shrink the screen down to make it look closer to an actual Game Gear screen. | |
Secret - Multiplay in GameGear Games | |
| In ANY GameGear Minigame, press Start on the Second Controller to make a second screen show up. This will allow two people to play their own game on their own screen. If the GameGear Minigame supports multiplayer, both screens will reset once a second person joins and will be synced for multiplay.Note: This trick will work for all GameGear Minigames but if the game does not support multiplayer, they will not link to each other (In other words the gameplay will be seperate per screen). | |
Secret - Play Japanese versions of games(North American Version) | |
| Go to the options menu and switch the text to Japanese. You can Now play the Japanese versions of several GameGear games. | |
Password - Blue Sphere Passwords | |
| Here are a few passwords to get you further in Blue Sphere. They can be entered and the bottom of the screen: | |
| Level 1 | 3659 8960 3263 |
| Level 101 | 4446 4119 1869 |
| Level 11 | 3454 5429 0879 |
| Level 111 | 4251 7962 1309 |
| Level 121 | 4545 7330 3741 |
| Level 123457708 | 4074 9205 6818 |
| Level 131 | 3610 2145 0173 |
| Level 134217728 | 4002 9900 9983 |
| Level 141 | 3582 0287 7885 |
| Level 151 | 4053 1330 0413 |
| Level 161 | 2994 1551 3010 |
| Level 171 | 2788 8020 0626 |
| Level 181 | 3426 3362 1426 |
| Level 191 | 3188 7708 3570 |
| Level 2 | 2965 3192 9023 |
| Level 201 | 4857 0971 9474 |
| Level 21 | 4092 0771 1670 |
| Level 211 | 5338 9338 3826 |
| Level 225 | 4368 5446 6483 |
| Level 250 | 5204 0500 2163 |
| Level 2504 | 4383 6861 0198 |
| Level 81 | 5388 6203 6924 |
| Level 91 | 5183 2672 4541 |
| Secret Level | 2340 2318 5760 |
| Level 275 | 3964 6122 1811 |
| Level 3 | 3610 2354 7327 |
| Level 300 | 3474 0464 2224 |
| level 3030 | 4782 2288 6894 |
| Level 31 | 3897 4614 1116 |
| Level 325 | 5112 1737 9248 |
| level 3395 | 4984 4991 7920 |
| Level 350 | 4626 9767 0577 |
| Level 375 | 4761 8655 2241 |
| Level 4 | 2921 0274 3999 |
| Level 400 | 2853 9395 4737 |
| Level 41 | 2817 0087 0076 |
| Level 425 | 2817 0296 7222 |
| Level 450 | 4339 7297 9638 |
| Level 475 | 5183 2882 1687 |
| Level 5 | 3737 7423 1487 |
| Level 500 | 5358 4423 5191 |
| Level 51 | 3298 8503 4428 |
| Level 6 | 3053 9029 9071 |
| Level 61 | 3227 7149 4844 |
| Level 71 | 5073 2087 0844 |
Password - Dr. Robotnik's Mean Bean Machine Passwords (Easy) | |
| 11 | Green, Purple, Blue, Clear |
| 10 | Red, Yellow, Clear, Has Bean |
| 09 | Yellow, Purple, Has Bean, Blue |
| 08 | Yellow, Green, Has Bean, Blue |
| 07 | Purple, Yellow, Red, Blue |
| 06 | Clear, Red, Clear, Purple |
| 05 | Clear, Blue, Blue, Purple |
| 02 | Red, Red, Red, Has Bean |
| 03 | Clear, Purple, Clear, Green |
| 04 | Red, Clear, Has Bean, Yellow |
| 12 | Red, Has Bean, Has Bean, Yellow |
| 13 | Yellow, Has Bean, Blue, Blue |
Password - Dr. Robotnik's Mean Bean Machine Passwords (Hard) | |
| 02 | Green, Clear, Yellow, Yellow |
| 03 | Yellow, Clear, Purple, Clear |
| 04 | Blue, Green, Clear, Blue |
| 05 | Red, Purple, Green, Green |
| 06 | Yellow, Yellow, Clear, Green |
| 07 | Purple, Clear, Blue, Blue |
| 08 | Clear, Yellow, Has Bean, Yellow |
| 09 | Purple, Blue, Blue, Green |
| 10 | Clear, Green, Red, Yellow |
| 11 | Blue, Yellow, Yellow, Has Bean |
| 12 | Green, Clear, Clear, Blue |
| 13 | Has Bean, Clear, Purple, Has Bean |
Password - Dr. Robotnik's Mean Bean Machine Passwords (Hardest) | |
| 02 | Blue, Blue, Green, Yellow |
| 03 | Green, Yellow, Green, Clear |
| 04 | Purple, Purple, Red, Has Bean |
| 05 | Green, Red, Purple, Blue |
| 06 | Blue, Purple, Green, Yellow |
| 07 | Blue, Purple, Green, Has Bean |
| 08 | Clear, Purple, Has Bean, Yellow |
| 09 | Purple, Green, Has Bean, Clear |
| 10 | Green, Blue, Yellow, Has Bean |
| 11 | Green, Purple, Has Bean, Red |
| 12 | Red, Green, Has Bean, Blue |
| 13 | Red, Red, Clear, Yellow |
Password - Dr. Robotnik's Mean Bean Machine Passwords (Normal) | |
| 02 | Has Bean, Clear, Yellow, Yellow |
| 03 | Blue, Clear, Red, Yellow |
| 04 | Yellow, Blue, Clear, Purple |
| 05 | Has Bean, Green, Blue, Yellow |
| 06 | Green, Purple, Purple, Yellow |
| 07 | Purple, Blue, Green, Has Bean |
| 08 | Green, Has Bean, Clear, Yellow |
| 09 | Blue, Purple, Has Bean, Has Bean |
| 10 | Has Bean, Red, Yellow, Clear |
| 11 | Clear, Red, Red, Blue |
| 12 | Green, Green, Clear, Yellow |
| 13 | Purple, Yellow, Has Bean, Clear |
Password - Ristar Codes | |
| Reverses the High Score in Demo Mode. (JP) | HETAP |
| A shooting star goes across the background. (JP) | STAR |
| Cancel all codes. | XXXXXX |
| Fight only bosses | MUSEUM |
| ILOVEU, MIEMIE and CANDY active all at once. (JP) | FEEL |
| Invincibility. (JP) | CANDY |
| Level Select. | ILOVEU |
| Mentions Miyake colour. (JP) | MACCHA |
| Mentions next game. (JP) | MASTER |
| No Continue limit. (JP) | AAAAAA |
| See hidden Items. | MIEMIE |
| Shows the Solar System. (JP) | VALDI |
| Super Hard mode. | SUPER |
| Time attack. | DOFEEL |
| Tone Deaf sounds. | MAGURO |
| Very Hard difficulty. | SUPERB |
