Which retail CD Keys are accepted on Steam?
All retail Valve games and a number of third-party games can be registered to your Steam account. All of the following games can be registered through Steam:
* Valve CD Keys in this format: ####-#####-####
* Valve CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* AI War CD Keys in various formats
* Aliens vs. Predator (2010 Release) CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Alpha Prime CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Audiosurf CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Call of Duty: Modern Warfare 2 CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Call of Duty 4: Modern Warfare is not accepted on Steam
* Cricket Revolution CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Dark Messiah CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Dark Messiah CD Keys may also have been printed incorrectly, please see the Dark Messiah article
* Dawn of War Soulstorm CD Keys in this format: 1AB2-3FGH-456I-K8LM-OP9Q
* Dawn of War II CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Defense Grid CD Keys in this format (Direct2Drive only): 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Empire: Total War CD Keys in this format: 1AB2C-DDEFGH3-IJK4L-MNOPQ-RST56
* F.E.A.R. 2: Project Origin CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Football Manager 2009 CD Keys in this format: 1AB2CD3FGH456I7JK8LMNOP9Q
* Football Manager 2010 CD Keys in this format: 1AB2CD3FGH456I7JK8LMNOP9Q
* GTI Racing CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* GTR Evolution CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Killing Floor CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* King Arthur - The Role-playing Wargame CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* The Last Remnant CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Lost Planet: Extreme Condition CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Lost Planet: Colonies Edition is not accepted on Steam
* MLB Front Office Manager CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* NBA 2K9 CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Order of War CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Prey CD Keys in this format: AAB1BB2C345CDD6E E7
* RACE - the WTCC Game CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* RACE 07 CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Ragdoll Kung Fu CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Railworks CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Red Orchestra CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Rogue Warrior CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* SiN Episodes: Emergence CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Saint's Row 2 CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Shattered Horizon CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* The Ship CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Silent Hill Homecoming CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Speedball 2 - Tournament in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Star Trek: D-A-C CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* STCC - The Game CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Unreal Tournament 3 CD Keys in this format: 1AB2-3FGH-456I-K8LM
* Velvet Assassin CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
* Worldwide Soccer Manager 2009 CD Keys in this format: 1AB2C-D3FGH-456I7-JK8LM-NOP9Q
