ISZ-ModMenu-Loader An open-source Dynamic Link Library (*.dll) for Loading ISZ-ModMenu automatically on startup. Requirement(s): UnrealModUnlocker *UMU or UnrealModLoader *UML with the ISZ-Win64-Shipping Profile *.profile. Ice Station Z from Steam. The ISZ-ModMenu. Installing/Usage: For Simplicity sake I will be using a mixture of both UML and UMU. Install both the Modified dxgi.dll and the UnrealModUnlocker.dll Using UMU.