Game Gear
Ecco - The Tides of Time (USA, Europe) Ecco - The Tides of Time (USA, Europe) Ecco - The Tides of Time (U) [!] Ecco II - The Tides of Time (1994)(Novotrade - Sega)
Languages Size CRC32 Region Serial
English 512K E2F3B203 USA, Europe 2541, 2541-50, 02541F
by Mezmorize
Game Genie 
015-725-C4A
by Mezmorize
Standard 
DB39:01
by Mezmorize
Game Genie 
18D-2D7-6EA
by Mezmorize
Standard 
DB38:01
by Mezmorize
Game Genie 
008-826-D52