James Pond

Type 'JUNKYARD' after pausing the game. After this press the 'Return' key and the following:

Code - Effect

RETURN - Cheat Mode On/Off
F10 - Flashing Borders
F7 - Increase Speed
Z - Level 03
X - Level 04
C - Level 05
V - Level 06
B - Level 07
N - Level 08
M - Level 09
D - Unlock all locks

During game type in the word JUNKYARD and press Enter. Note: The Y/Z may be switched in US/EUR versions.