Hunter: The Reckoning Wayward

After successfully completing the game on the easy difficulty setting, enable the "Monster spawning" code and turn it off. Then, complete each level. If the level requires you to kill something, for example the werewolf, enable the "Infinite ammunition" and "Infinite health" codes. This must be done on each level that requires it. Then turn off monster spawning again.

Successfully complete the game to unlock the nightmare mode option.

Successfully complete the game in nightmare mode to unlock Carpenter as a playable character.

Successfully complete the game to unlock Devin as a playable character.

Unlock Models following the list below, then view them in the Entertainment Center:

Emma: Save her
Joshua: Save him
Le Roi: Save him
Devin: Beat him
The Werewolf: Beat him
The Machine: Beat him
The Witch: Beat her
Nephrack: Beat him
Carpenter: Beat the game on Nightmare
Rot Hand: Kill 25 Rot Hands
Rot: Kill 199 Rots
Prison Guard Rot: Kill 20 Prison Guard Rots
Flamethrower Rot: Kill 8 Flamethrower Rots
Gargoyle: Kill 10 Gargoyles
Hanged Spirit: Kill 7 Hanged Spirits
Mourner: Kill 40 Mourners
Aileron: Kill 75 Ailerons
Cultist: Kill 20 Cultists
War Ghoul: Kill 2 War Ghouls
Machine Monster: Kill 20 Machine Monsters
Samantha: Unlock 8 models
Father Esteban: Unlock 12 models
Kassandra: Unlock 18 models