Nightmare Creatures

Cheat mode:Enter one of the following passwords, then choose the "Start" option to display a cheat menu with unlimited lives, play as monster, and level select options:

C-Down, Up, C-Up, C-Left, C-Up, Left, C-Down, C-Left
C-Down, Up, C-Up, C-Left, C-Right, Left, C-Left, Up
C-Down, Up, Left, Down, Down, C-Left, C-Left, C-Right
Left, Up, C-Down, C-Left, C-Right, C-Up, C-Left, Down
C-Down, Up, C-Up, C-Down, C-Up, Left, C-Up, C-Right.

Nadia's acrobatics:Begin a new game as Nadia and immediately hold: Up + B + A + C-Left + C-Down. If done correctly, Nadia will jump forward and land in an awkward position and remain that way while moving.

Funny walks:Begin a new game as Ignatius or Nadia. Stand still during game play, then jump. Hold Bwhile in the air, then walk forward just when his or her feet touch the ground. If done correctly, he or she will walk in a funny manner.
 

Level	Name	Password
Nadia
2	Spitalfield	Up, Down, C-Up, C-Down, C-Up, Down, Left, C-Right
3	Thames Tunnel	Up, C-Down, C-Up, C-Down, C-Up, C-Down, C-Left, C-Right
4	Sewer Snake	Up, C-Left, C-Right, Up, C-Up, C-Right, Up, Left
5	India Docks	Up, Up, C-Up, C-Down, C-Up, Up, Down, C-Right
6	Highgate Cemetery	C-Up, Down, C-Up, C-Down, C-Up, Down, Left, C-Right
7	Hampstead Heath	Up, Left, C-Up, Up, C-Up, C-Up, C-Up, C-Down
8	Queenhite Docks	Up, Right, C-Up, Up, C-Up, C-Right, C-Right, C-Down
9	City	Up, Right, C-Up, C-Down, C-Up, C-Up, C-Right, C-Right
10	Smithfield	Down, C-Right, C-Right, C-Up, C-Up, Down, C-Left, Up
11	Snowman	Down, Left, C-Up, Down, C-Up, C-Right, C-Left,Up
12	Regents Canal	C-Right, C-Left, C-Up, C-Down, C-Up, Up, Down,C-Right
13	London Zoo	Down, C-Left, Right, C-Down, Up, C-Down,Down, Up
14	Marylebone	Down, C-Down, C-Right C-Left C-Up, C-Up, Left,C-Up
15	Bloomsbury	Down, Left, C-Up, Left, Up, Up, Left, Left
16	Pimlico	Left, C-Left, C-Up, C-Left, C-Up, Down, C-Right,C-Left
17	Jose Manuel	Left, C-Up, C-Up, C-Down, C-Up, C-Down, C-Left,C-Right
18	Westminster I	Left, C-Right, C-Up, C-Down, C-Up, C-Left, Up, C-Right
19	Westminster II	Left, C-Down, C-Up, C-Down, C-Up, Up, Down, C-Right
20	The Roofs	Left, C-Left C-Up, C-Left C-Up, Down, C-Right C-Left
Ignatius
2	Spitalfield	C-Up, C-Right, C-Up, C-Down, C-Up, C-Right, C-Down, C-Right
3	Thames Tunnel	C-Up, C-Down, C-Up, Left, C-Up, Up, C-Left, C-Left
4	Sewer Snake	C-Up, C-Left, C-Up, Up, C-Up, Up, Up, C-Down
5	India Docks	C-Up, Up, C-Up, C-Down, C-Up, Up, Down, Right
6	Highgate Cemetery	C-Up, Left, C-Up, Up, C-Up, C-Up, C-Up, C-Down
7	Hampstead Heath	Up, Left, C-Up, C-Down, C-Up, Left, C-Up, C-Right
8	Queenhite Docks	C-Right, C-Up, C-Up, Up, C-Right, C-Down, C-Left, C-Left
9	City	C-Right, C-Right, C-Up, C-Down, C-Up, C-Down,C-Left, C-Right
10	Smithfield	C-Right, C-Down, C-Up, C-Down, C-Up, C-Left,Up, C-Right
11	Snowman	C-Right, C-Left, C-Up, C-Down, C-Up, Up, Down,C-Right
12	Regents Canal	C-Right, C-Left C-Up, C-Down, C-Up, Up, Down,C-Left
13	London Zoo	C-Down, C-Right, Right, Up, C-Down, C-Right, C-Up, Left
14	Marylebone	C-Right, Down, C-Down, C-Down, C-Up, C-Up, C-Up, C-Down
15	Bloomsbury	C-Right, Left, C-Down, C-Left, C-Up, C-Right, C-Left, Up
16	Pimlico	C-Right, Right, C-Down, C-Left, C-Right, C-Down,Down, Down
17	Jose Manuel	C-Down, C-Up, C-Down, C-Down, C-Up, C-Left,C-Left, C-Down
18	Westminster I	C-Down, C-Right C-Up, C-Down, C-Up, C-Left Up,C-Right
19	Westminster II	C-Down, C-Down, C-Down, C-Left, C-Right,Down, C-Right, Down
20	The Roofs	C-Down, Up, C-Up, C-Down, C-Up, Left, C-Up, C-Right

Hint: More inventory items:Each time a weapon is upgraded, the items in the inventory will increase by five.