Proper

LFS S2 is a serious racing simulator. No arcade modes, no steering aids - YOU have to do the driving. You can race alone or against the AI, but the real fun is to be found online, in multiplayer mode.
Widescreen and triplehead support has been in LFS for a quite a long time now. The coder of the game has a triplehead setup himself so support should and is flawless.

Enclave is an action-adventure game from Starbreeze Studios and Vivendi. The game takes place in a medieval fantasy world, in a region isolated from the rest of the world by a deep chasm on all side, and is protected from the forces of evil that inhibit the surrounding territory. But the earth is beginning to heal, parts of the chasm are becomming crossable, and war is inevitable.

Midnight Club II is a racing game from Angel Studios and Rockstar. You are part of an illegal street racing club, and must work your way up the ladder in three different cities by defeating your opponents and spending the prize money on the right vehicle upgrades.

Asheron's Call is a massively multiplayer online roleplaying game. The original Asheron's Call release was in November 1999, followed by an expansion pack in 2001 (AC: Dark Majesty), and most recently in 2005 (AC: Throne of Destiny). While players aren't required to purchase the latest expansion pack, players are required to install the graphics update that shipped after this expansion. This graphics update included support for DirectX 9.0 and more flexible monitor resolutions.

Trainz Railroad Simulator 2006 is a model railroad simulator from Auran. The game offers both sandbox and mission based modes. A wealth of additional content (models, skins, layouts, etc.) is available online.

Leisure Suit Larry: Magna Cum Laude is an adventure game from Sierra. It is the latest in the venerable LSL series. While the others were "classic" adventure games (as originally defined by Sierra themselves), this is a much more "console" version.

Lego Star Wars II is an action adventure game by LucasArts. It is a unique retelling of the original Star Wars trilogy (Episodes IV-VI) utilizing the Lego kits based on the Star Wars universe.

Harry Potter and the Chamber of Secrets is the game based on the second Harry Potter movie (and thus book). It is based on the Unreal engine, and is an action/adventure game.

Crashday is a "stunt" racer with arcade and demolition derby modes. It was published by Atari.

XIII is an FPS developed and published by Ubisoft. Closely based on the Belgian comic book series of the same name, and featuring an extremely stylized comic book look and feel, you play as a man with superhuman combat skills and some limited ESP, as well as amnesia and a tattoo on his shoulder that says "XIII," and must discover your identity and past, while simulaneously being hunted by the FBI as a suspect assassin and by a group of contract killers for reasons unknown.