This package has been reduced in size and files so only the models would be included, no gametypes or weapons. A few fixes are also applied, so you would get less warnings and more creative names when you install the pack. The UPL also contains only Skaarj that were actually in Unreal II.
All the credits go to EvilEngine, repacked to Lite by GreatEmerald.
This package can be used with the Unreal II Species package.