Sonic the Hedgehog 2 (Sega Master System, Game Gear)

Sonic the Hedgehog 2: featuring Tails as Princess Peach!

Gimmick Mountain Title Card
Originally, the level card for Gimmick Mountain Zone used its full name. Due to lack of space on the screen, however, "Mountain" was shortened to "Mt."

Unused Text
A build date string can be found in the ROM at :

Master System: MS SONIC THE HEDGEHOG.2 Ver1.00 1992/09/05 SEGA /Aspect Co.,Ltd

Game Gear: GG SONIC THE HEDGEHOG.2 Ver1.10 1992/09/12 SEGA /Aspect Co.,Ltd

Unused Music
A peaceful, ethereal-sounding tune. What this song could have been used for is unknown.

Level Select


Master System: While powering on the game, hold Left + 1 + 2 on Controller 2. When the intro sequence starts, release the buttons, then start the game as usual.



Game Gear: When the intro starts, hold Down + Left + 1 + 2 + Start. When the title screen appears, wait for a ring sound to play twice (Tails will wink three times). Release all the buttons and press Start.