Let's see now.
The Thing (1982).
Children of the Corn. (Same idea of a murderous cult that destroyed a village)
Burial Ground: The Nights of Terror. (Zombie-like monks)
Akira. (Mutation)
28 Days Later. (Mutant disease that spreads).
The wicker Man (1973).
The Crazies (1973). (Definitely)
King Kong (1933).
Evil Dead.
"You killed Captain Clown, YOU KILLED CAPTAIN CLOWN"-The Joker
The Texas Chainsaw Massacre. (A similar masked chainsaw-wielding killer)
The Wild Bunch. (An entire village is wiped out)
Jaws (Similar background music when Leon is swimming away from the mutant fish creature)
Yes thank you for the mentions.
"Some days you just can't get rid of a bomb"-Batman 1966
Resident Evil- with the laser room
Deep Rising - Jet Ski escape at the end
Leon - There's a gun called Matilda, Natalie Portman played a character of the same name.
Oh yes i noticed the references to those too including RE the movie.
"You killed Captain Clown, YOU KILLED CAPTAIN CLOWN"-The Joker on Batman TAS
Dagon (2001)
Dir: Stuart Gordon.
Dagon as well and The Stuff.
"Let off some steam bennet"-Commando.
Agreed on the Verdugo being like Alien.
Also...
The Omega Man - the hooded cult people
Escape From NY - Rescuing the president (rescuing his daughter on the game)