The game crashed during interloper when the flying aliens appeared after turning the 4th machine on in the area after escaping the Gagantuas.
The game froze with an error message saying;
"Engine Error
too many indices for index buffer. .tell a programmer (34204>32768)"
https://drive.google.com/open?id=1OfTm4rokGteqsBJZqcNhNFIXC2USTYAm