Begin the game and move Ecco left and right. Press Start to pause the game while Ecco is turning. You have to pause it when Ecco is directly facing you. When you do that, press Right, B, C, B, C, Down, C, Up. If you did it right, a cheat menu that has options such as stage select, message test, sound test, and more, will appear.
Infinite air, etc
Enter the code SHARKFIN for infinite air and sonar.
Invincibility
Input a valid password, then press Start, and wait for the screen that shows the name of the level you're currently in with your password. Next, hold A and Start. Keep hold of A and Start until Ecco appears on the screen. Now press Start to unpause and you will be invincible.
Last Fight Password
AJPPOWAX is the password for this level
Super Cheat Menu
The Super Cheat Menu activates Everything from Sound Tests to Level Select. First, Move Ecco from Left to Right and Pause the Game when He Faces the Camera, Then Enter this Code.
Description
Effect
Right, 1, 2, 1, 2, Down, 2, Up
Open Super Cheat Menu
Easy Password List
By entering an even combination of A's and N's in different sequences for your password, you can gain access to a variety of levels within the game. Here's a list of password combinations and the levels they take you to:
AANNNNAA: Deep City NNNAANAA: The Marble Sea AAAANNNN: Origin Beach NNNNAAAA: Island Zone NNNAAAAN: Undercaves AAAAAAAA: Undercaves NNNNNNNN: Welcome to The Machine AAANNNNA: Welcome to The Machine ANANAANN: The Vents AANNAANN: The Vents NNAANNAA: Dark Water NANANNAA: Dark Water ANNANNAA: Dark Water ANANANAN: Hard Water NANANANA: Hard Water AANNANAN: Hard Water NNAANANA: Hard Water
All other combinations will not work, and will transport Ecco back to the starting screen of the game.
Alternate Password Entry
When you are in the "password entry" screen, you can enter these "please" codes to reach the corresponding levels.
Description
Effect
PLEASEHH
City of Forever
PLEASEKK
Deep City
PLEASEOO
Final Fight
PLEASEEE
Ice Zone
PLEASEFF
Island Zone
PLEASEUU
Marble Sea
PLEASEWW
Open Ocean
PLEASEQQ
Origin Beach
PLEASEGG
Pteranadon Pond
PLEASEZZ
Ridge Water
PLEASEII
Undercaves
Final Level Password
The Last Fight: KNLMLMLC
Level Passwords
The Undercaves: UYNAINCC The Undercaves 2: DQDIACCI The Vents: FKWLACCA
Level Passwords 2
The Lagoon: NDRBRIKR Ridge Water: HYAUGFLV Open Ocean: FNCQWBMT
Level Passwords 3
The Ice Zone: DWFFZBMV Hard Water Zone: QGDJRQLA Cold Water Zone: MCLFRQLW
Level Passwords 4
The Island Zone: UWXIOQLK Deep Water Zone: EILQOQLC The Marble Sea: XAKUQQLS
Level Passwords 5
The Library: FDGXQQLC Deep City: ZUVPQQLU City of Forever: AABBRQLU
Trilobite Circle: OBEMUNLX Dark Water: JNXPUNLA Deep Water 2: WSGAKNLC
Level Passwords 8
City of Forever 2: ZBPIGPLD The Tube: KUVEKMLK The Machine: SDDBKMLG
Undercaves Password
NVNAINCR
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