Developer Fatshark is giving away Warhammer: Vermintide 2 to celebrate the seventh anniversary of the game’s release. For those who have never had the pleasure, it builds on the four-player (maximum), co-operative style of gameplay made popular by Left 4 Dead, setting the action in Warhammer’s Fantasy universe during the early days of the End Times. From now until November 7, Warhammer: Vermintide 2 is free to download and keep forever via Steam. Not only can you grab the base game gratis, but on November 8, the Trail of Treachery DLC, which contains the first of a two-part adventure, will be free to download. The second mission will be released next year. Warhammer: Vermintide 2 is a tremendous amount of fun, especially when you and your team are taking on hoards of Skaven ratmen and the forces of Chaos. If anything, it’ll help you get in some practice ahead of Warhammer 40,000: Darktide’s November 30 release. Pre-ordering the upcoming game grants early access on November 17, and Vermintide 1 and 2 players will receive some cosmetic DLC for Darktide. There are other free PC games available right now. The Epic Games Store’s regular weekly offerings are Rising Storm 2: Vietnam and Filament. They’re available for nothing until November 10 at 8am PT / 11am ET.