Play Hole.io online For FREE! - Hole.io is the online arcade game in which you control a black hole and must travel around the city absorbing everything in your path. You will start with a small hole, absorb small items such as post boxes, street lights and even people to grow the size of your hole. You are racing against the time limit and other players in this game as the more that you absorb and the larger your hole gets the more points you will have obtained. You can even absorb smaller players than yourself so pick a target and absorb them all. Have fun!.