Doom 3 — [xbox Classic]

A dedicated two-player cooperative campaign was added, allowing players to fight through the Mars research facility together via System Link or Xbox Live.

Character models and environments were simplified, but high-resolution normal maps were used to keep the "bumpy," detailed look of the PC version. DOOM 3 [Xbox Classic]

The interface was overhauled to be more readable on CRT televisions of the era. DOOM 3 [Xbox Classic]