Steel Battalion, released in 2002 for the original Xbox, is an ambitious mech combat simulator known for its highly complex and unique controller setup. The game falls within the action-simulation genre and is set in a futuristic world where players pilot massive bipedal tanks known as 'Vertical Tanks'. It is revered for its immersive gameplay and the requirement of using a dedicated 40-button controller with twin joysticks and foot pedals, making it one of the most intricate and engaging mech experiences of the time.