im not sure if its an easter egg or not, but...
at one point in the game Barney Yells "THEY'RE EVERYWHERE!!", when assaulted by a group of combine soldiers.... i swear they are paying homage to the Mac game "marathon", where you had generic
allies called "bobs", that seem to be the...
i think the G-man was originally supposed to be the Admin, at least when the model was made. why does he have the Black mesa logo on his brief case? If he worked for the goverment, but wasnt actually employed at Black mesa, that wouldnt make sense.
i think that Valve simply didnt plan...