I edited the photo because something strange appears and when I edited this, it is Gman's face that he observes in Eli's laboratory in the Black Mesa chapter. This is an easter egg, I discovered it after 20 years #HL2-20
(Edited)
1I edited the photo because something strange appears and when I edited this, it is Gman's face that he observes in Eli's laboratory in the Black Mesa chapter. This is an easter egg, I discovered it after 20 years #HL2-20
1
This has been known about for a while now.