Try these codes for the CD32 version:
Code:
LEVEL CODES:
LEVEL 2 - CIVILIAN ZONE 1: 634197
LEVEL 3 - CIVILIAN ZONE 2: 795166
LEVEL 4 - CIVILIAN ZONE 3: 049813
LEVEL 5 - CIVILIAN ZONE 4: 175992
LEVEL 6 - SECURITY PASSAGE: 830521
LEVEL 7 - SCIENCE ZONE 1: 174170
LEVEL 8 - SCIENCE ZONE 2: 123459
LEVEL 9 - SCIENCE ZONE 3: 666666
LEVEL 10 - SCIENCE ZONE 4: 710515
LEVEL 11 - SECURITY PASSAGE: 680518
LEVEL 12 - MILITARY ZONE 1: 266162
LEVEL 13 - MILITARY ZONE 2: 261057
LEVEL 14 - MILITARY ZONE 3: 054076
LEVEL 15 - MILITARY ZONE 4: 711222
LEVEL 16 - PLANET SURFACE: 470914
LEVEL 17 - UNDERGROUND SHAFT: 490902
CHEATS:
642064 - START WITH 10 LIVES
128128 - START WITH 50000 CREDITS
720223 - START WITH 50 KEYS
767747 or 127224 - LEVEL SKIP - PRESS 'N' TO ACTIVATE
As to WHY they are not the same as AGA, no idea