Nightmare Creatures Cheats (Nintendo 64)

Key Code:
  1 Up
  2 Down
  3 Right
  ]4 Left
  5 C-Up
  6 C-Down
  7 C-Right
  8 C-Left 
  12565247 Level 2
  14565457 Level 4
  16545864 Level 5
  13565577 Level 9
  24525781 Level 11
  28361621 Level 13
  26785545 Level 14
  48585278 Level 16

  To access the cheat menu, go to the password screen and press Left, 
  Up, C-Down, C-Left, C-Right, C-Up, C-Left, Down.