Aliens: Dark Descent is a real-time tactics video game set in the Alien universe where players command a squad of Colonial Marines on the moon Lethe, battling Xenomorphs and corporate forces in large, open-world levels. The game emphasizes squad-based combat, tactical positioning, and resource management, offering both single-player missions and multiplayer modes. It features atmospheric horror, strategic depth, and a narrative that expands the franchise's lore.