The Horus Heresy: Betrayal At Calth is a fantastic standalone boxed game of claustrophobic tunnel combat, set during the Word Bearers invasion of the Ultramarine world of Calth. Emphasising fast-paced squad-based combat during six exciting missions, it allows players to choose their side and command a force of beautifully detailed Citadel miniatures in a brutal war for survival, during one of the iconic battles of the Horus Heresy. Containing:

• 38 fantastic new Space Marine miniatures
• 48 page rulebook containing 6 exciting scenarios
• 4 double-sided board Tiles