U.S Army Troopers addon - Half-Life Heart of Black Mesa mod for Garry's Mod

this mod is a mod of all the other mods like heart of evil, residual point, half life, opposing force, and many others. this mod is based on the half life rebuilt packs and story takes place in the black mesa biodome. your a hev scientist that searches the core of black mesa to stop the xen invasion and you face alot of new enemys and fight with new allies. the core is the delta labs complex were you need to access the teleportation labs to reteleport the xen aliens to there home planet. when thats done you must escape black mesa before the black ops nuke it. you will find your best friend at the black mesa lambda complex and teleport with him to the city of new mexico but when you teleported with your friend you both end up in a train were the gman is going to give you a deal to work with him. you have to chose the good or the bad. this is a new mod to have fun with. enjoy playing with it...