http://agar.io/
A brilliant game whever you consume others to become the largest blob. While the name/link seems to be sketchy, it's not some virus.
(https://forums.hypergamer.net/proxy.php?request=http%3A%2F%2Fi.imgur.com%2FJsBjVWZ.png&hash=c64e8e2dd7dedf8cb2b5abf18fdab548872c1182)
(https://forums.hypergamer.net/proxy.php?request=http%3A%2F%2Fi.imgur.com%2FP6E4Qd3.png&hash=6e2e871fd613ef90f6dfa8c15675186af6906123)
Hard game to stay alive.