The "Locust Horde" is a fictional group of monstrous creatures from the video game series Gears of War. They are depicted as a race of humanoid beings that emerged from underground, attacking humanity in a post-apocalyptic world. The Locust are known for their brutal tactics and advanced weaponry, posing a significant threat to human survivors. The conflict between the Locust Horde and humanity is central to the game's storyline. Players take on the role of soldiers fighting against the Locust, using various weapons and strategies to survive. The series explores themes of survival, sacrifice, and the consequences of war.