Alien Swarm Release Dates

Microsoft Windows

• 

  North America

  Retail
  Publisher:	Valve Software
  Release Date:	Jul 19, 2010
  Rating:	ESRB - Rating Pending
• 

  Europe

  Retail
  Publisher:	Valve Corporation
  Release Date:	Jul 19, 2010
  Rating:	PEGI - Rating Pending