Proper

HUD is proper in widescreen.

NASCAR Racing 2003 Season

NASCAR Racing 2003 Season is a racing sim from Papyrus and Sierra (and should not be confused with the much inferior but similar sounding NASCAR Thunder 2003), and the final NASCAR sim from Papyrus (EA Sports now owns the rights). It includes all of the 2003 tracks, many of the drivers, and an engine realistic enough that actual NASCAR drivers have been known to use this for practice.

DEFCON

Defcon: Everybody Dies is the World's First Genocide'em up game from Introversion Software (The last of the bedroom programmers), developers of Uplink: Hacker Elite. In Defcon you play the role of a military Commander hidden deep within an underground bunker. Your mission is to successfully exterminate your enemy's civilian population whilst disabling their ability to attack your own. The game supports multiplayer for upto 6 players, multiplayer in demo version is restricted for 2 demo players only. Defconwas released on 29.September 2006.

Live for Speed

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

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

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

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

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

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: The Original Trilogy

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

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.