Just another day in the DSRF... You're a security guard, and the scientists are researching a strange virus brought in from an alien planet. This virus contains strange properties. The first recorded instance of it was in an crystal from the same planet. Today's a big day... So get prepared.
First release of the mod. Unzip in your Half-Life folder in /steam/steamapps/common
(OUTDATED CAUSE MODDB DIDNT AUTHORIZE IT BEFORE AND THERES A NEW VERSION IN ALPHA) put the bsp file into the map folder for half life and open console...