Sonic & Tails © 1993 Sega Enterprises, Limited.
Game ID: G-3331
Sonic & Tails for Game Gear was released on November 19, 1983 in Japan.
This game is known outside Japan as "Sonic Chaos". Here are some known export releases :
[US] "Sonic Chaos [Model 2515]"
[EU] "Sonic Chaos [Model 2515-50]"
* Stage Select: At the title screen, press Up, Up, Down, Down, Right, Left, Right, Left, START.
* Sound Test: At the title screen, press Down, Down, Up, Up, Left, Right, Left, Right, START.
* Sonic Hadouken: At the Sound Test screen, enter Left, Down, Right, Right+(1 or 2) to make Sonic do a Hadouken. (This is better known as a Street Fighter "fireball", and is the same key sequence as in that game)
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]"
Game's ROM.