Getting low framerate msg with 5 fps; after improves fps, getting 14/17.
Now you've the lowest framerate data, of course we are speaking about my resources.
Even so, I can play your demo without problems.
Nice level mate.
Notice soldiers killing me thru the walls and doors, but perhaps GG collision bug.
Laptop: Lenovo - Intel(R) Celeron(R) CPU 1005M @ 1.90GHz
OS: Windows 10 (64) - Ram: 4 gb - Hd: 283 gb - Video card: Intel(R) HD Graphics