Perfected Doom 3

A gameplay-altering mod that changes the slow pacing of the base game, to a more fast-paced action-horror shooter. The mod attempts to completely overhaul the entire game with new monsters, rebalanced weapons, rebalanced monster stats, better graphics, new gameplay features, and much more.

There are 2 versions of the mod:
Vanilla Doom 3 & Doom 3: RoE.