Okay guys, here are some soundtracks that I really enjoyed listening to while playing some of my favourite games. Post yours. 
Game: Prince of Persia Warrior Within
SoundTrack: I Stand Alone
Game: Super Meat Boy
SoundTrack: C.H.A.D.'s Broken Wind
Game: Assassin’s Creed 2
SoundTrack: Ezios Family
Game: Silent Hill
SoundTrack: Homecoming
Game: Red Dead Redemption
SoundTrack: Far Away
Thats all for the moment, will add some more later.
Mass Effect 2 - Jack Wall ; Suicide Mission, ending segment of Samara’s theme gave me goosebumps.
Assassin’s Creed 2 - Jesper Kyd
Fallout - Inon Zur
Dawn of War - Doyle W. Donehoo ; For the Craftworld, Primarch’s Honor
Modern Warfare 2 - Hans Zimmer and Lorne Balfe ; Exodus left me speechless
Crysis - Peter Antovski
Halo Reach - Martin O’Donnell and Michael Salvatori
AC Brotherhood
Mirrors Edge
Fable III
Alan Wake
Heavy Rain
Make way for moi list:
Devil’s Never Cry - DMC 3 OST
Sibling Showdown - DMC 3 OST
Nelo Angelo Battle - DMC OST
Dues Ex Invisible War Main Theme - Dues Ex IW OST
Bionic Commando Main Theme - Bionic Commando OST
Bionic Commando Piano Theme - Bionic Commando OST
Still Alive - Mirror’s Edge OST
Kane’s Family Portrait - Kane & Lynch Dead Men OST
Boomerang Music - Cabala (AC II Ezio’s Destiny Trailer track)
Limelight - Perfect Dark Zero OST
Junkie XL Colossus Remix - God of War II OST
Heavy Rain Main Theme - Heavy Rain OST
The Tower of Dawn - Prince of Persia Sands of Time OST
Top three in my mind…
**
Red Faction: Guerilla - Main theme**
Doom 3 Theme
Race Driver Grid Opening Theme
Here’s my list :
I’ve only played a few games but these are what i’d go with -
Still Alive - Mirror’s Edge
Hit The Wall - Iron Man 2
And Ever We Fight On - Killzone 3
Late Goodbye - Max Payne 2
I Stand Alone - Prince of Persia : Warrior Within
Wonder - FIFA 11
NFS Most Wanted- my favourite when it comes to sound tracks.
PES 2011- Has worst sound tracks. 
. I play this game most of the times with my friends and I have to keep listening to those boring tracks.
Awesome lists! Many queued to listen next. Reps on the way! 
Teh best.
Some of the best from the past that I can remember:-
**Game: Call of Duty
SoundTrack: Red Square Theme**
How can we forget Maxpayne 2?!!
**Game: Maxpayne 2
SoundTrack: The Late Goodbye**
SoundTrack: The “mind-blowing” theme
Nostalgia. Nice Thread.
Hyper We Control?
Sin Episodes: Emergence {What’s the world come to}
Here’s my list
Shadow of the Colossus
Machinarium (The song below is from the Bonus EP. The LP and the EP are brilliant)
Splinter Cell: Chaos Theory
Halo OST
Neotokyo OST
Uncharted 2 : Among Thieves
Yup, brilliant. This is my fav: Mr. Handagote
Nice list btw.
— Updated Post - Automerged —
Thanks.
No Tomb Raider soundtrack fans here? Hmm.
All the tracks from NFS Underground 2…
specially riders on the storm and black betty..
Riders on the storm - Re-plugging after 2004. Nostalgic. This song is classic…
Another one which I like is Chingy - I do:-
NFS:UG2 and NFS:MW are the best NFS game. Ever.
And it got sticked! Thanks Renegade!
Best track of **Batman:Arkham Asylum **game:-
Awesome gameplay+awesome soundtracks makes this game deadly..
One of my all time favourites-
Anyone remember which map this song played on?
Also this -
Pitchshifter - Genius