Hole.io

Hole.io is a free multiplayer survival game where players have to control a black hole and absorb objects on the screen. You can play it online and for free on Silvergames.com. Play as a hole sliding through a city full of objects and other players from all over the globe. Absorb all kinds of things you see on your way and get bigger. You can only absorb things that are smaller or are the same size as your black hole. Just avoid being absorbed by larger players and increase in points and size to become as huge as possible. You can even absorb entire buildings!