That was far from the only cool new gun, though. As an example, you could use nails to power a door and open it up. As with many guns in the Half-Life games, it served as a decent weapon but had a much more useful purpose - the nails could be used to transmit electrical power across the map. Aside from expanding into new areas of Ravenholm and a deeper story, it also introduced several new innovative weapons into the game.Ĭonsider, for example, the nailgun. About “9 or 10” levels were actually completed for Ravenholm, so this was more than a simple prototype this was a game that was well into production.