Free legal commercial games for download

Here is a small list of free commercial computer games for download, some with (or only) online game modes!.

Command & Conquer gold A strategy game
TrackMania Nations "Forever" (Nations & United), Car racing fun around crazy tracks
American Army Online FPS game (was made for promoting joining the army!)
Wolfenstein: Enemy Territory Online WWII FPS (don't get confused with the newer quake wars one!)
GTA and other rockstar games GTA 1 & 2 (2d versions) and Wild metal (2) I think
Railroad Tycoon Sim railroad game, choo choo!
Transport Tycoon General transport tycoon type game by microprose
Open Tycoon Not really a commercial game, but worth a mention non the less!
Fear Combat Multiplayer part of Fear FPS game fun
Hidden and Dangerous Deluxe WW2 squad combat fun in 3D
Battlecruiser Millennium PC space simulation strategy game that is the sequel to Battlecruiser 3000AD. Might need to search for it on the link provided
Mech Commander 1,2 & Gold, robot fun
Sam & Max Free Episode 104 : Abe Lincoln Must Die. Some sort of adventure fun
The suffering : A survival horror game

(This post will be edited and posted to the top when I find new games to add)