When ever I played the Old Half-Life games I would always turn on The HD pack & I would love to use the M4A1 and Beretta M9 and the Spas 12 with the folded stock in the black mesa engine without having to download Addons from the Workshop plus if you remade the HD pack It would be a nice homage to the OG blue shift which is the Half-Life Game the Brought us the HD pack