An epic bug hunt featuring a unique blend of co-op play and squad-level tactics. With your friends, form a squad of four distinct IAF Marine classes. Plan your attack using an unlockable arsenal of weapons with countless loadout configurations against a wide variety of aliens. Blaze your way through an overrun, off-world colony, eradicating the alien infestation in environments ranging from the icy planet's surface, to a subterranean lava-flooded mining facility.

Members Watching  (0 - 50 of 598)
Avatar

United States JrComissarValvatorez

Online 2 minutes ago Joined May 5, 2007
Avatar

United States kickme003

Online 7 minutes ago Joined May 24, 2009
Avatar

Antarctica N1ck22

Online 12 minutes ago Joined Jul 6, 2011
Avatar

United States HounderKnight

Online 14 minutes ago Joined Aug 14, 2006
Avatar

Ukraine TimeDefender

Online 15 minutes ago Joined Nov 7, 2009
Avatar

United Kingdom mapayne

Online 17 minutes ago Joined Nov 10, 2005
Avatar

Finland JuQu

Online 18 minutes ago Joined Jun 5, 2010
Avatar

United States commandercody94

Online 18 minutes ago Joined Feb 18, 2008
Avatar

United Kingdom Ark84

Online 21 minutes ago Joined Apr 12, 2010
Avatar

Germany --JoKeR--

Online 24 minutes ago Joined Feb 2, 2009
Avatar

United Kingdom jrgl_cuchallain

Online 35 minutes ago Joined Apr 29, 2009
Avatar

Germany DonRetticho

Online 43 minutes ago Joined Apr 11, 2009
Avatar

Australia GLaDOS95

Online 47 minutes ago Joined Mar 4, 2007
Avatar

Ukraine geotavros

Online 50 minutes ago Joined Oct 18, 2011
Avatar

Sweden Raygoza

Online 57 minutes ago Joined Jan 29, 2010
Avatar

United States Aguila.

Online 1 hour ago Joined Jul 21, 2008
Avatar

Greece soad667

Online 1 hour ago Joined Jun 10, 2010
Avatar

Germany Vegas

Online 1 hour ago Joined Oct 4, 2009
Avatar

Germany 56er

Online 1 hour ago Joined Dec 3, 2007
Avatar

Russian Federation Kabuki-man

Online 1 hour ago Joined Apr 11, 2007
Avatar

Bulgaria sappy_nirv_bg

Online 1 hour ago Joined May 25, 2007
Avatar

United Kingdom GhostyGunner

Online 1 hour ago Joined Jul 15, 2006
Avatar

United States Hell_Diguner

Online 1 hour ago Joined Nov 12, 2008
Avatar

France Parker:

Online 1 hour ago Joined Oct 1, 2009
Avatar

Ukraine BloodRaven1313

Online 1 hour ago Joined Feb 13, 2010
Avatar

Russian Federation Scorch17

Online 1 hour ago Joined Nov 28, 2008
Avatar

Germany Gulp343

Online 1 hour ago Joined Oct 17, 2009
Avatar

Netherlands thekilller

Online 1 hour ago Joined Aug 29, 2007
Avatar

Australia Khalus

Online 2 hours ago Joined Oct 27, 2008
Avatar

United States tukerb117

Online 2 hours ago Joined Jun 15, 2009
Avatar

Australia five_damned_dollarz

Online 2 hours ago Joined Sep 16, 2006
Avatar

Czech Republic Bersek

Online 2 hours ago Joined Jan 26, 2008
Avatar

United States DGMurdockIII

Online 2 hours ago Joined Feb 12, 2004
Avatar

Hungary Huvi

Online 2 hours ago Joined Mar 18, 2009
Avatar

United States OmeG

Online 2 hours ago Joined Jun 25, 2010
Avatar

United States xivel

Online 3 hours ago Joined Sep 21, 2010
Avatar

United Kingdom Hawkwind474

Online 3 hours ago Joined Jul 29, 2007
Avatar

United States RiverDg1

Online 3 hours ago Joined Jan 8, 2010
Avatar

Brazil delarobe

Online 3 hours ago Joined Nov 8, 2006
Avatar

United States Draze

Online 3 hours ago Joined Aug 13, 2008
Avatar

United States Cyowolf

Online 3 hours ago Joined Mar 2, 2010
Avatar

Brazil Tabajara77

Online 4 hours ago Joined Oct 16, 2011
Avatar

United States SG1Shadow

Online 4 hours ago Joined Nov 8, 2008
Avatar

United States Tallfire

Online 4 hours ago Joined Jun 7, 2010
Avatar

United States rahlzel

Online 4 hours ago Joined Mar 5, 2009
Avatar

Czech Republic MR.sugar

Online 4 hours ago Joined Jun 28, 2006
Avatar

United States Armageddon104

Online 4 hours ago Joined May 5, 2008
Avatar

United Kingdom [UK]RookieAndrew

Online 4 hours ago Joined Jul 29, 2009
Avatar

Canada Gamaz

Online 4 hours ago Joined Jul 6, 2009
Avatar

United States theshodan

Online 5 hours ago Joined Aug 22, 2006
Icon
Alien Swarm
Platform
Windows
Developer & Publisher
Valve
Engine
Source
Contact
Send Message
Official Page
Alienswarm.com
Release Date
Released Jul 18, 2010
Game Watch
Track this game
Member Statistics
Members
598
Online
2
Views
2,347,257
Views Today
381
Last Online
JrComissarValvatorez
JrComissarValvatorez Online 2 minutes ago
kickme003
kickme003 Online 7 minutes ago
N1ck22
N1ck22 Online 12 minutes ago
HounderKnight
HounderKnight Online 14 minutes ago
TimeDefender
TimeDefender Online 15 minutes ago
mapayne
mapayne Online 17 minutes ago
JuQu
JuQu Online 18 minutes ago
commandercody94
commandercody94 Online 18 minutes ago
Ark84
Ark84 Online 21 minutes ago
--JoKeR--
--JoKeR-- Online 24 minutes ago
jrgl_cuchallain
jrgl_cuchallain Online 35 minutes ago
DonRetticho
DonRetticho Online 43 minutes ago
GLaDOS95
GLaDOS95 Online 47 minutes ago
geotavros
geotavros Online 50 minutes ago
Raygoza
Raygoza Online 57 minutes ago