Level passwords:
 

  1.PRISONER

  2.FISHHEAD

  3.MOREFISH

  4.FISHFISH

  5.TINYFISH

  6.FREDFISH

  7.BIGFISHY

  8.EATDEATH

  9.EATFISHY

 10.SLOWFISH

 11.FISHFAST

 12.PLUNGERS

 13.MOPHAPPY

 14.JANITORS

 15.THROMULI

 16.PARAKEET

 17.FUZZYDOG

 18.SPAMKEET

 19.BABYHEAD

 20.FISHNOSE

 21.FISHTOES

 22.FOOTFISH

 23.FISHBONG

 24.ABCDEFGH