Sonic Labyrinth [Model G-3374]

Sonic Labyrinth for Game Gear was released on November 17, 1995 in Japan.

* Stage Select: At the title screen, press Up x2, Right x3, Down x6, Left x9. The world Select will appear. In the Config menu, the Stage option will replace the Sound option.

* Bonus stage: At zone 2-3, find the cannon and hold Right+1+2. Turn on the button to open the door to the bonus stage.

CONSOLES:
Microsoft XBOX (dec.9, 2004) "Sonic Mega Collection Plus [Model ZD6-00003]"
Sony PS2 (dec.9, 2004) "Sonic Mega Collection Plus [Model SLPM-65758]"

HANDHELDS:
Nintendo 3DS [Virtual Console] (may.16, 2012) [Model GAFJ]