Xbox fans can celebrate with Free Play Days from June 4th to June 6th, with Warhammer: Chaosbane, the hack and slasher from Nacon, free-to-play for the weekend, Warhammer 40,000: Inquisitor - Martyr will also join the fray with its Inquisitor based action RPG, and lastly acclaimed Warhammer 40,000: Mechanicus is available for fans of turn-based tactical titles.

On Steam, Warhammer Underworlds: Online is free-to-keep, meaning anyone who adds the title to their library between June 3rd to June 10th gets to retain the game after Skulls ends

Over on GOG.com, you can also download a free digital goodie bag with awesome free items for players to keep, including the classic Warhammer Old World RTS from 1995, Warhammer: Shadow of the Horned Rat. Hurry, as the free goodie bag will only be around until the 10th of June when Skulls ends. GOG.com is also running a sale on a variety of Warhammer titles with deals up to 80% off!

Finally, after an extremely successful release in Europe, Australia and Russia, Warhammer 40,000: Lost Crusade will see US players join the fray in this large scale PvE MMO Mobile title.