Other non playable factions in-game include the Imperial Guard as well as the Daemons of Khorne while the Necrons make a brief cameo in the epilogue. The factions available for play are the Space Marines of the Imperium of Man, the Eldar and the Orks (all of whom have appeared in the earlier games of the series). Linux version uses both the OpenGL and Vulkan graphics APIs, while the macOS port uses Apple's Metal. Feral Interactive released macOS and Linux versions on June 8 the same year. It was released for Microsoft Windows on April 27, 2017. It is the third stand-alone title in the Dawn of War series, and the first new release in the series since Dawn of War II: Retribution in 2011. Warhammer 40,000: Dawn of War III is a 2017 real-time strategy game with multiplayer online battle arena influences, developed by Relic Entertainment and published by Sega. 2017 video game Warhammer 40,000: Dawn of War III