Half life opposeing force

Remember the soldiers who gave you so much trouble in Half-Life? Now you are one of them—and life isn't as easy as you may think! As a soldier sent in to eliminate Gordon Freeman, you are separated from your base unit and discover a new alien race amidst the chaos. It's quickly revealed that these highly-advanced alien lifeforms descended upon Earth to pillage the planet when Gordon Freeman transported to the border world of Xen.Although you were originally sent into Black Mesa to silence Freeman and his fellow scientists in the facility, you now find yourself stranded and confused—battling fierce new alien creatures and a variety of other foes in an effort to save your own life.

Developed by Gearbox Software, Opposing Force adds an exciting new single-player episode, a collection of all-star deathmatch maps, new models, new weapons and more fun to the Half-Life series!checkout the offical website below Planet half life!

half life planet[planethalflife.gamespy.com]
http://www.halflifepunk.com
http://halflifeopposeingforce.webs.com/apps/forums/show/3914521-general-discussion