PC gamers can get involved in some cooperative gameplay against zombies, robots and aliens with the arrival of Hazard Ops which is now available via Steam. The game is a free-to-play title and means gamers can choose to purchase a further six DLC packs which include extra weapons, costumes and boosts. The DLC packs will also release with a 7 day 20% off promotion. For more information head on over to the Steam Store Page. To see the game in action take a look at our exclusive gameplay footage from the Beta earlier this year.