Not 'all-time' favourites exactly (there are many worthy additions that I don't own), but the ones I'm listening to most frequently lately (in no discernible order):
Requiem For A DreamLost In TranslationGarden StateBatman BeginsJuno Reactor's Matrix Contributions
The Matrix
300
Resident Evil
Queen Of The Damned
Big Money Hustlas
The Wall
Rocky Horror Picture Show
I know you asked for 5 but i couldn't help it dude
Blade Runner
A Scanner Darkly
The score from the Deus Ex series
Star Wars
In no particular order
If it wasn't for these songs, I'd never get to sleep at night.I linked my personal favourite for each OST
In terms of how much I listen to them:The Fountain Score
Final Fantasy VII - X-2, especially VIII. (including AC and DoC)
Lost In Translation
Kingdom Hearts
After that it's just assorted tracks from Phantasy Star Episodes 1 & 2 for Gamecube, Gundam Wing and other anime shows/RPG's.
Fahrenheit (Most under-rated game ever)
SolidRevolver wrote:Fahrenheit (Most under-rated game ever)YESSS!!!! I love that game. As long as you are referring to the one that got called Indigo Prophecy in North America (Fahrenheit is a way better name IMO) That was such an amazing game.
August RushApollo 13Star Trek: First ContactStar Trek: GenerationsThe Time Machine (the semi-recent remake)The Fountain was really really good too.