The mechanical invaders are approaching the surface, and they're more powerful than ever. Iron Heart 2: Underground Army is the long-awaited sequel to our popular tower defense game! The ferocious opposition is gaining impetus. The steam robots are about to break through our defenses and have swarmed into subterranean tunnels. Only your tactical talents can put a stop to their iron army!
Each level is a foray into the depths of the planet in search of the mythical Iron Heart, capable of ruining the invaders eternally. But the road to victory is anything but easy! Spider mines steel hounds and electrical scorpions – these are just a few of the dangers hanging over mankind!
Fight on the streets of an underground heaven and in the hallways of the Iron Heart. Will humanity be successful, or banished? It all depends on you!