Cheat mode
Pause game play after turning Ecco to the left or right until he faces the screen. Press [A], [B], [C], [B], [C], [A], [C], [A], [B] to display a cheat menu with level select, sound test, and invincibility options.
Invincibility
Turn Ecco to the left or right until he faces the screen. Press [A], [B], [Right], [A], [C], [A], [Down], [A], [B], [Right], [A]. The remaining health and air will disappear to confirm correct code entry. Ecco will be invincible with unlimited health and air.
Aqua Tubeway secret level
Enter "KJBBCHZA" as a password. Nothing special will happen when you finish this level. Story-wise, it is are in-between the regular levels. Note: Using this password may prevent you from getting a secret password when you finish the City Of Forever level. Since the game will record if any cheats have been used, it is recommended that they be used after the game has already been completed.
Maze Of Stone secret level
Enter "ESKNPQXA" as a password. Nothing special will happen when you finish this level. Story-wise, it is are in-between the regular levels. Note: Using this password may prevent you from getting a secret password when you finish the City Of Forever level. Since the game will record if any cheats have been used, it is recommended that they be used after the game has already been completed.
New Machine secret level
Enter "IPFHTCIA" as a password. Nothing special will happen when you finish this level. Story-wise, it is are in-between the regular levels. Note: Using this password may prevent you from getting a secret password when you finish the City Of Forever level. Since the game will record if any cheats have been used, it is recommended that they be used after the game has already been completed.
View end sequence
Enter "CEWSXKPA" as a password.
Expert mode
Break the two shells that are above you in the starting area. Swim through the newly revealed tunnel for a harder version of the game.
Level | Normal | Hard |
Crystal Springs | UEPMCVEB | WPHSAAFB |
Gateway | KDCGTAHB | QKLLFPHB |
Fault Zone | OZUNSKZA | CRNPTFZA |
Big Water | QQCQRDRA | YCBXONIA |
Two Tides | KDKINTYA | QUKGZZYA |
Deep Ridge | UXQWJIZD | UPODMUQD |
Skyway | SZXHCLDB | MCMBPJDB |
The Hungry Ones | WBQQHMUE | YOHVUVLE |
Sky Tides | OZWIDLDB | OZMRKIDB |
Secret Cave | CHGTEYZE | SPKHKISE |
Tube Of Medusa | QSJRYHZA | ODFADPYA |
Lunar Bay | QYSMHZZE | WTHXKISE |
Skylands | MULXRXEB | WXRDJYEB |
Black Clouds | CLOCVFZE | USKIKDOE |
Fin To Feather | YCPAWEXA | UQTFBRXA |
Gravitor Box | UIXBGYWXE | WNQWZMME |
Eagle's Bay | YCJPDNDB | QSNVMMDB |
Globe Holder | SBFPWWJE | MIPGDOME |
Asterite's Cave | AOJRDZWA | EGAQRVXA |
Dark Sea | MXURVMLA | |
Four Islands | UOYURFDB | CZVQNHCB |
Vortex Queen | IKIMTBPA | OOSFBXAA |
Sea Of Darkness | UQZWIIAB | WFMYIDAB |
Home Bay | CSNCMRUA | QNSGAPGA |
Vents Of Medusa | MMVSOPBB | SHWZZNBB |
Moray Abyss | IMCDSAHB | YCFSBRAB |
The Eye | | AGNEXBTE |
Fish City | | WKGETHCA |
City Of Forever | | WQHFTZHA |
Epilogue | CEWSXKPA | AXBGKHBA |
"Secret'" | | AVQJTCBA |