Willy In The Castle Of Dreams

LEVEL CODES:
02: GLUB    09: XENON   16: TBEAR
03: TRIFF   10: JOHN    17: AHB
04: FRUIT   11: LENIN   18: SHARK
05: XYZZY   12: TURBO   19: PUMPY
06: FLUSH   13: BOOZE   20: DROBB
07: HIFI    14: ZEFF    21: KIMMY
08: FLASH   15: OMEGA

Alternative codes:
05: FLUCH   18: MUZAK
15: TEEF    19: YNNEJ
16: TOYZ    20: TDAEM
17: BLOOP   21: PAPER

(Source: Ami Cheats)