Deceiving people that you're selling a "remastered" version of a game that's actually just completely broken.

I played this on hard years ago and I remember the marines tanking shotgun alt fires to the face from point blank range and killing me in 3 bursts of the SMG (often in the time it took me to get a 2nd shot off). This is not the case in HL1. I can't find anything about this here, just that they're more aggressive and even that they can be dropped with 1 shotgun alt fire which was not the case for me. I wanna play it again with the fixed mod but can't see anything that addresses whatever this issue is in t...

I can't seem to find the HD models area in the options menu.

like what in a source update made that map freak out so much?

if you got Half life: source before it was delisted from Steam