Monsters are supernatural creatures supposedly provided by The Ancient Ones for The Facility to use in order to murder the five sacrifices in The Ritual. Each one has a Monster Item which, if tampered with in a certain way, will release the monster to murder the five sacrifices. They are wicked.

Monsters Listed on The WhiteboardEdit

• Alien Beast - The Bio Med Department bets on this monster.
• Angry Molesting Tree - The Wranglers bet on this monster.
• The Bride - The Digital Analysis Department bets on this monster.
• Clowns - The Electrical Department bets on them.
• Deadites - The Story Department bets on them.
• Demons -
• Dismemberment Goblins -
• The Doctors - The Accounting Department bets on them.
• Dolls - The Kitchen Staff bets on them.
• Dragonbat -
• Giant - The Zoology Department bets on it.
• Giant Snake - The Internal Logistics Department bets on this monster.
• Hell Lord - Richard Sitterson bets on him.
• The Huron - The Research and Development Department bets on them.
• Jack O'Lantern - The Security Force bets on them.
• Kevin - We all have that one ex-boyfriend.
• Merman - Steve Hadley bets on this monster.
• Mummy - The Psychology Department bets on this monster.
• Mutants - The Demolition Department bets on them.
• The Reanimated - The Administration Department bets on them.
• Reptilius -
• Sasquatch / Wendigo / Yeti - These names were used as aliases for an unnamed beast.
• The Scarecrow Folk - The DNA Archives Department bets on them.
• Sexy Witches - The Archives Department bets on them.
• Snowman - The Communications Department bets on this monster.
• Sugarplum Fairy -
• Twins -
• Unicorn - The Engineering Department bets on this monster.
• Vampires - The Distribution Department bets on them.
• Werewolf - The Finance Department bets on this monster.
• Witches - The Operations Department bets on them.
• Wraiths -
• Zombie Redneck Torture Family - The Maintenance Department and Ronald the Intern bet on them.
• Zombies - The Chemical Department bets on them.

Other Monsters Seen in the Film and Behind the ScenesEdit

• American Slow-Walking Creepy Girl
• The Ancient Ones
• Balding Menace
• Blob
• Boomer - Based on the monster from "Left 4 Dead."
• Bullhead Phantom
• Creature with Patterned Segments of Armor on its Head
• Creeping Shadow
• Cthulhu Creature
• Cyclops
• Face Peeler
• Floating Leech Creature
• Flock of Killer Birds
• Four Legged Saddle Creature
• Garden Gnome Boy
• Giant Alligator
• Giant Ant
• Giant Ape - A large gorilla with curved horns.
• Giant Cat
• Giant Centipede
• Giant Insects
• Giant Ferrets
• Giant Floating Head
• Giant Millipede
• Giant Owl
• Giant Tarantula
• Giant Toad
• Giant Woman
• Gorilla
• Hunter - Based off the creature from "Left 4 Dead."
• Japanese Floaty Girl
• Killer Robot
• Klu Klux Klan
• The Kraken
• Man in Transparent Tarp
• Pale Serpent
• Puffy Tentacle Creature
• Rabid Dogs
• Reaver
• Savage with Hatchet
• Slimey Horned Cloak Creature
• The Suffocators
• Troll
• Tank - Based off the creature from "Left 4 Dead."
• Witch - Based off the creature from "Left 4 Dead."

Monsters only mentioned in the NovelizationEdit

• Alligator with a Dog Head
• Cracked-Skin Lava People
• Exploding Shard Babies
• Fire Mouthed Woman
• Giant Rabbit
• Man with Steaming Pipes in his Chest
• Minotaur
• Monochrome Woman
• Scorpion Stinger Woman
• Screaming Banshee
• Six-Armed Man
• Snake Pubic Hair Woman
• Three-Headed Child
• Toxic Ghostly Figure
• Woman with a Toothed Vagina