How many people are playing Alien Swarm right now?

Alien Swarm has 17 players on Steam right now, with a 24-hour peak of 34 and an all-time peak of 7,857 on Jul 2019.

What is the all-time peak player count of Alien Swarm?

7,857 concurrent players on Jul 2019.

Alien Swarm was released on Steam on 19 Jul 2010.

Parent, children and the same developer