All the faces (Alyx and Barney most of all, though) in the FakeFactory 2.15 mod look really weird if not viewed extremely closeup. The faces sort of "split" into two images. This does not happen with the unmodded faces, nor does switching drivers help (I've tried official Nvidia and dhzeropoint)
Examples of Glitch (bear with long dl time)
Examples of Glitch (bear with long dl time)