Gunslinger's Academy is a Jedi Academy total conversion which aims to bring gun combat to Jedi Academy Multiplayer. Features include new weapons, achievements, killstreak rewards, a new combat system, several new maps, and multiple new gametypes.
Pixel shaders, HDR stands for high dynamic range and shows a greater range of colors between the lightest and darkest areas of what you're viewing, if you're passing through a dark tunnel and come out to a bright and sunny area, everything will seem very bright at first, but then your eyes will seem to adjust as everything transitions itself to a more normal brightness.