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UnrealScript decompiler library for Unreal package files (.upk, .u, .uasset; etc), with support for Unreal Engine 1, 2, and 3.
Tera Online 32-bit and 64-bit client package(*.gpk, *.gmp, *.upk, *.umap, *.u) editor/viewer
Windows app that patches ShaderCache object references in UE3 script (.u) packages to make the shader caches automatically load when loading mod scripts.