Alien Swarm Update Released — Alien Swarm Steam update #40343

Updates to Alien Swarm have been released. The updates will be applied automatically when your Steam client is restarted. The major changes include: Alien Swarm * Fixed crash to desktop on certain graphics cards; * Fixed matchmaking sending you to the wrong mission; * Fixed not being able to earn the “Ammo Technician” achievement; * Fixed not being able to open particle systems in the editor;