wide·screen gam·ing fo·rum (wsgf):
[-noun] Web community dedicated to ensuring PC games run properly on your tablet, netbook, personal computer, HDTV and multi-monitor gaming rig.
Doom II is the second game in the series, and it uses the same engine as the original. It introduced new monsters, a new weapon, and 32 new levels. It is also playable in GZDoom, and most of the information of Doom applies here too.
DOOM needs no introduction. It is the grandfather of the FPS genre as we know it. The GZDoom engine is a port of the originally DOS-based game that allows for high-res OpenGL graphics, mouselook, some widescreen support, among other things. GZDoom - http://grafzahl.drdteam.org/
Final Doom is a spinoff of Doom 2. It has the same weapons and monsters as Doom 2, but it has 64 fiendishly difficult levels. It is playable in GZDoom, and has the same flaw that Doom 2 does (not pictured)
MotoGP 2 is a motorcycle racing sim from The Climax Group and THQ. It features licensed bikes, tracks, riders, and realistic bike physics and weather conditions. A stunt (arcade-style) mode is available as well.
Wolfenstein: Enemy territory is an online FPS from Splash Damage. Originally created as an expansion pack for Return to Castle Wolfenstein, the project was abandoned in an incomplete state, but the multiplayer component was quite playable, so it was released as a freely downloadable standalone multiplayer game. Gameplay is objective-based and heavily reliant on teamplay.
Pariah is a first-person shooter computer game developed by Digital Extremes, co-developers of the Unreal franchise. It was released on May 3, 2005 for Windows and Xbox. It uses a modified version of the Unreal engine and the Havok physics engine. A demo featuring the multiplayer portion of the game was released half a month before the game. Pariah received mixed reviews from critics.
Land of the Dead: Road to Fiddler's Green is an FPS from Brainbox and Groove Games, acting plotwise as a prequel to the zombie film of the same name. You play as a redneck named Jack, and must fight hordes of zombies in a variety of abandoned locations, using whatever weapons you can get your hands on.
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.