Sonic Retro user Morph and several others have gone through Sonic Adventure DX and created a mod that restores the lighting effects that were previously seen in the original Sonic Adventure into the PC version. The difference gives off more vibrant colors in the environment that also reacts to objects and characters. You can download the mod from the discussion thread in our forums.
Lighting can be used to set a specific tone or mood in an environment. But why is it such a difficult thing to remain consistent when converting this to other game platforms? The game featured an artistic shift that occurred when the game was converted to other platforms. A combination of technical hurdles and creative liberties can dampen the original artistic intent, and Sonic Adventure is no exception. The original Dreamcast version featured a “Lantern” engine which provided impressive looking lighting effects using palettes on SEGA’s then cutting edge game console. However the dozens of ports of the game left out these lighting effects in favor of using drop shadows instead, until now. Check out additional videos, comparison screenshots and an interview with Morph on the mod after the jump!