SMOD: Tactical is a modification of the single-player SMOD(Super Mod) for Half-Life 2. This mod takes advantage of SMOD's robust customization capabilities to offer players realistic, tactical gameplay with real-world equipment and firearms in the style of games and mods like Rainbow 6, Operation Flashpoint, Red Orchestra, and Infiltration.
I have played it in the past, it is AMAZING! Cant seem to get it to work again, I will try once more.