Ecco the Dolphin [Model 2516]
Emulated in MAME !
[HANDHELD] Sega Game Gear Game
Ecco the Dolphin © 1994 Sega Enterprises, Limited.
[FR] Oct. 1993 - Consoles + N.24: 90%
* Cheat menu: During the game, hold START until you enter the map screen and press Right, 1, 2, 1, 2, Down, 2, Up.