Can UE1 files be converted into UDK ones/can UDK load UE1 resources? Because if it can, we could just load models, levels and textures to UDK (don't see a reason to use UE4 for such niche project plus UDK is free), then use kismet/unreal script to recode what is there and finish it completely.
If it could be done without meticulously converting every model/texture/level one by one, I could help as a level designer as I'm pretty good with UDK's map editor.
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