The default 100 is “100 Hammer units to 100 Unreal centimeters”. Lowering it to 50 will make the resulting map larger (still slightly smaller than would be “correct” for Default Unreal Guy).
The default 100 is “100 Hammer units to 100 Unreal centimeters”. Lowering it to 50 will make the resulting map larger (still slightly smaller than would be “correct” for Default Unreal Guy).