Unreal Tournament Community SDK is an open source engine fork of the Unreal Engine 1.x with a modern development framework for Unreal Tournament. A thousand delays later we hit rock bottom and infinite possibilites at the same time with this community-propelled engine fork for one of the greatest 3D games of all time. We will never forget nor forgive what Epic Games did on the 14th December 2022.
An example of using Combiners in UT99. This is the UT Flack Cannon having Environment Maps, Emboss Bump Maps and a Detail Map applied on it's skin.
This one looks more realistic than the other, but it doesn't look at clean.