Black Hole io 3D Game - Swallow Everything & Dominate the City! Enter the ultimate black hole battle and compete to become the biggest hole in town! Move your hungry black hole, swallow buildings, cars, and even opponents to grow bigger before time runs out. The more you absorb, the stronger you become. Can you outsize the competition and take over the arena? This immersive, addictive mobile gaming experience places you in the role of the Hoard Master, controlling a powerful black hole capable of swallowing whole cities. As the Hole Master, you are tasked with a battle against the clock.