Warhammer 40,000: Armageddon is set during the Second War for Armageddon. In this hex-based, turn-based game developed by Flashback Games and The Lordz Games Studio, you will lead the Imperial forces of the Armageddon Steel Legion and Space Marines from a variety of Chapters against the Ork invasion through over 30 scenarios, on the hostile terrain of the planet and its gigantic Hive Cities. The game features a complex plot, involving known characters from the Warhammer 40,000 universe and while advancing through the campaign, you will have the ability to carryover his core force from scenario to scenario.
You can sign up for the beta by clicking here.
Get more information on Warhammer 40,000: Armageddon from its official product page.