PS1
Cheats
Nightmare Creatures is a tricky title .What you need is a cheat that puts you on a level with the monsters, gives infinite lives and weapons, AND allows you to choose any level.
At the password screen enter: Left, Up, X, Square, Down, Triangle, Square, Down OR enter Left, Up, Triangle, Down, Circle, Triangle, Square, Down
2 : Up, Circle, Triangle, Left, Triangle, Square, X, Circle
3 : Up, X, Circle, Triangle, Triangle, Down, Square, Up
4 : Up, Square, Triangle, X, Triangle, Square, Up, Circle
7 : Triangle, Left, Triangle, X, Circle, Left, Circle, X
8 : Triangle, Right, Triangle, Up, Circle, Circle, X, Square
9 : Circle, Triangle, Triangle, X, Circle, Circle, Square, X
10: Circle, Circle, Triangle, Right, Triangle, Up, Down, Down
A
To Beat 1st Boss:
.All you need to do is dodge to one of the five pillars which surround the pit and slash at it until it falls on the boss,before moving to the next and repeating the process. Once all five are down, the fire will stop and he'll lunge at you instead.Use L1 and R1 to dodge when he does and quickly hit him as his head misses you.
PC
Cheat Codes
EVERYWHERE: enables access to all levels.
BOULON: grants infinite ammo and items.
BRONKO: allows play as a monster.
GU: enables slicing mode.
PS1
Master Cheat
Enter Left, Up, Triangle, Down, Circle, Triangle, Square, Down as a password. Unlimited continues, level select, and play as monster options will be available for the next game. Alternatively, enter Left, Up, X, Square, Down, Triangle, Square, Down as a password.
PS1
Reduced size
After doing the "Master Cheat" code press L2, L2, R1, R1, L1, R2, Select. A sound will confirm correct code entry. Begin game play and enable the "Reduce" option to shrink the creatures in the game.
PS1
Easy kills
After doing the "Master Cheat" code press L1, R1, L2, R2, Select. A sound will confirm correct code entry. Note: If this code is enabled, the final Boss, Adam Crowley, can not be normally killed at the end of the game. To defeat Crowley, use combos until he is stunned, then kick him in the face to decapitate him.
PS1
Disable combination attacks
After doing the "Master Cheat" code press L1, R1, L2, L1, R2, Select. A sound will confirm correct code entry.
PS1
Select Level
Press L1, L1, L2, R1, R1, R2, Select at the title screen. A sound will confirm correct code entry. Begin game play to access an option that allows any level to be selected.
PS1
Blurry
After doing the "Master Cheat" code press L1, L2, L2, L1, L2, L2, L1, Select. A sound will confirm correct code entry.
PS1
Alternate music
After doing the "Master Cheat" code press L1, L1, L1, L1, R1, R1, R1, R1, Select. A sound will confirm correct code entry. Pause game play, highlight the "Current Track" option, and press Left or Right to select a new song.
PS1
Debug mode
After doing the "Master Cheat" code press L1, L1, L1, R1, R1, R1, L2, L2, L2, R2, R2, R2, Select. A sound will confirm correct code entry.