decap attack
ghosts n goblins series
boktai
chakan

darkstalkers

Kagero: Deception II

Castlevania SOTN

A Nightmare on Elm Street (NES)
Deadly Premonition
Ju-on The Grudge
Zombies Ate My Neighbors

Luigis mansion 1

Silent Hill 3 for the Borley Haunted Mansion
Okage: Shadow King
Medievil series
Blood
Nocturne

Silver Surfer (NES) has a bunch of stages with bedsheet ghosts and pumpkins as enemies. I have no idea if that's enough to justify my joke answer, but here it is.

Also, Haunted House on Atari and Drac's Night Out on NES.

Costume Quest 1 & 2

Maniac Mansion

Eternal Darkness

Is- is Costume Quest not Halloweeny enough???

ty :)

@Hot_Anarcocoa Don't know how I didn't see your post- added all of them to the list!

Im sure doesnt count but certain levels of Sonic adventure 2, Sonic heroes and Joilant from Klonoa 2 exude halloween goofy vibes
Carnevil

The excellent PC platformer Monster Bash https://youtu.be/j854MQf-Vuc