At several points vampires' silhouettes are shown as shadows on the wall heralding their attack
When John is turned into a vampire, he just happens to be wearing a tuxedo just like Bela Lugosi
Saga pulls to sticks together to form a cross Peter Cushing style
a guy says he'll take whatever's behind Door Number 3
The scene where the main vampire pulses throught the snow, dragging his own coffin behind him is a reference to Django.
The ending is an homage to the ending in The Fearless vampire killers
When ever the super vampire is on screen, it's credited as The Shape rather than the character's actual name. This an oblvious referance to Halloween, when the same is done with Micheal Myers.
Vegas face alone in the shadows mimics a simular shot in Nosfertu.
The tracking shot through the cabin, that leads to the window and finally to the moon mirrors the final shot in Salem's Lot. Also, the rules regarding how holy objects like crosses and priests hurt vampires are the same as in Salem's lot.
The line "never tell me the odds" is from star wars
Jacob calls Sebastian "Teen Werewolf"
Annika runs carrying Maria away from the head vampire, just like Ripley with Newt
the line "maggots Michael, your eating maggots" is directly taken from the Lost Boys.
The glowing red eyes in the dark and the super vampire are both homages to this film. Also, Annika is strangeled by the head vampire, she cuts his throat causing him to fall backward, mirroring the exact same series of events in Dracula
A a vampire jumps on a table simular to the raptors
"Say something" line
The scene were Saga is in the bathroom and hears cries of terror outside and beats on the doors that goes silent, and when she walks out she finds the room in ruins and blood all over th place mirrors a simular scene in In the Mouth of Madness
A "Ghostface" doll is seen on Sebastian's refrigerator.
The line "there is no spoon". Also, a vampire dodges a toaster just like Neo dodges a bullet.
The opening credits with snow falling in the background is directly lifted from Frostbite.
the number 22
The plot about vampireblood being mistaken for a drug causing a vampire infestation is pretty much taken from Frosbite, a film which ironicly is inspired by the original The Lost Boys.
Monster girl in cabin, just like Frostbitten
The prologe sequence is a homage to the opening scene of Frostbite and both films use of nazi vampires. Also, the shots of blood splatting in the snow is a direct homage.
Drugs secretly put in sangria causes mayhem
Documentary about the making of this film. Clips featured.
Shown on tv
When Beckert walks into the patients room we just see his shadow at first and he appears to carry a hammer and a stake. It turns out to be flowers spoofing Nosferatu
A boy inhales helium and quotes Gollum
This film is a parody of Frostbite