*All new textures, scrolling skies, limited room-over-room architecture and more advanced line triggers.
*More advanced atmospheric colored lighting and effects, such as parallaxing skies, fog and lightning.
*New, ambient music, composed by [[Aubrey Hodges]].
*New, higher-quality sound effects (the same as used in the [[Sony PlayStation|PlayStation]] version).
*No [[status bar]]. Instead, only the numbers for health, armor and ammo are shown, and even these can be turned off.