Level Codes
  1  LDKD - by the lake
  2  HTDC - trapped in the cage
  3  CLLD - crawling through the ducts
  4  LBKG - fight the guard
  5  XDDJ - down in the caves
  6  FXLC - deeper into the caves
  7  KRFK - cause a flood
  8  KLFB - on to the castle
  9  TTCT - swim down to the depths
  10 XRJT - and back up to the top
  11 HBHK - dash through the doors
  12 TFBB - Lester to the rescue
  13 TXHF - wait before you shoot
  14 CKJL - in the armoured car
  15 LFCK - the grand finale