Run Half-Life, click 'Custom Game', select 'Ground Zero' from the list, and click on 'Activate' and go 'Done' Then click on 'New Game' and your on your...
ground zero full version
You are Gordon Freeman. On your quest to the Lambda lab you find another one of Black Mesa’s nuclear weapon storage facilities. This one is different though; a rogue group of military has stormed the building and plans to detonate the weapon to rid earth of the alien invasion. You, becoming aware of this, must deactivate the nuclear device to save innocent scientists, and to prevent the destruction of Black Mesa’s vast amounts of data, research and information.
No downloads were found matching the criteria specified. We suggest you try the download list with no filter applied, to browse all available.Join now to share your own content, and encourage our community to get involved and engaged.