* Every single street and most of the major buildings are named for horror/SF authors or famous stories.
* ''Silent Hill 1'' features the "K. Gordon" key, a reference to Sonic Youth guitarist Kim Gordon.
* ''Film/TheShining'' gets a couple. REDRUM is prominently written on a door in the first game, and a photo, in style of the one in the films ending, can be found in the motel.
* Adrian Lyne's film ''JacobsLadder'', cited by the development crew as a primary inspiration for the series, gets quite a few.
** Alchemilla Hospital is a dead ringer for the nightmarish madhouse Jacob goes through in [[http://www.youtube.com/watch?v=konk2HJ869Y this scene]].
** An apartment in ''Silent Hill 2'' is also called the "Lyne House". There's also the gurney sequence when James warps to the alternate hospital.
** The subway sequence in Silent Hill 3 echoes an early scene right down to the name of the street the Jacob is trying to reach. A street in Shepherd's Glen in Homecoming also bears Lyne's name.
* Heather can use a [[StarWars lightsaber]].
* There's a scene in Silent Hill 3 in the [[DarkWorld Dark Office Building]] where a lone wheelchair is visible from a great distance, illuminated by a single light. Word of God has confirmed this is a shout out to the memorably creepy "Hello...Gordon" scene from "Session 9".
* In ''Origins'', you can win the "Codebreaker" outfit ([=SH3=] Vincent's vest) by inputting the KonamiCode. Additionally, the Collector outfit makes Travis look like [[VideoGame/HalfLife Gordon Freeman]] and the Explorer outfit is evocative of IndianaJones.
* ''Shattered Memories'' has a movie theater which contains arcade machines for ''{{Contra}}'', ''{{Gradius}}'' and ''Rush'n Attack''.
** And in the UFO ending for it, it has... [[spoiler:[[http://www.youtube.com/watch?v=om2SQCWQhAU Oh, just see for yourself]]]].
* The ''dramatis personae'' section of the first game's ending credits is done in a surprisingly upbeat manner identical to the cast credits at the end of ''Film/{{Predator}}''.
* The haunted mansion ride in ''SilentHill3'' has some references to [[TheHauntedMansion a more famous haunted mansion]].
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