From the publisher's website:

“There is no peace amongst the stars, only an eternity of carnage and slaughter and the laughter of thirsting gods.” –Warhammer 40,000 Command your armies and battle for the Herakon Cluster in Forbidden Stars, a Warhammer 40,000 board game of interplanetary conquest for two to four players! Forbidden Stars puts you in command of massive armies battling to claim the Herakon Cluster at any cost. In every game, you and your opponents build up your forces, expand your strategic options, and clash on the field of glorious battle. You’ll deliver orders to your troops on a strategic level and command your armies through tense tactical battles as you fight to claim your objectives. The first player to capture his objective tokens is the victor, but your opponents will undoubtedly defend them against you. You’ll need all your strategic skill to outwit and outmaneuver your opponents and claim the Herakon Cluster!