Valve is an entertainment software and technology company founded in 1996 and based in Bellevue, Washington. The company’s debut title, Half-Life®, has won over 50 Game of the Year Awards and was named "Best PC Game Ever" in the November 1999, October 2001, and April 2005 issues of PC Gamer, the world's best-selling PC games magazine.

Valve's portfolio of entertainment titles also includes Half-Life® 2, Counter-Strike®, Day of Defeat®, Team Fortress®, and Portal™. This portfolio of titles accounts for over 20 million retail units sold worldwide, and Valve games account for over 80% of the PC online action market.

In addition to producing best selling entertainment titles, Valve is a developer of leading-edge technologies including the Source® game engine and Steam®, a leading platform for digital content with over 10 million registered users.

Today, Valve is composed of just over 120 of the industry's best artists, programmers, and writers. In the company's 10-year history, it has risen from "unlikely new entry" to industry leader, producing a string of best selling and critically acclaimed PC products and technologies.

Engines
GoldSource

GoldSource

Updated 3 months ago Released Nov 17, 1998 with a commercial licence

This QuakeWorld-based engine powered some of the most critically acclaimed engine's of it's day, like Half-Life, Counter-Strike, Day of Defeat, and many...

Source

Source

Updated 3 weeks ago Released Oct 31, 2004 with a commercial licence

The Source engine is a 3D game engine developed by Valve Corporation. Its unique features include a large degree of modularity and flexibility, an artist-driven...

Source²

Source²

Updated 9 months ago TBD with a commercial licence

The announced next gen source engine. Currently in the making for HL³, and Left 4 Dead 3.

Games
Alien Swarm

Alien Swarm Alien Swarm

Updated 8 months ago Released Jul 18, 2010 Single & Multiplayer Arcade

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...

Codename: Gordon

Codename: Gordon Codename: Gordon

Updated 1 year ago Released May 15, 2004 Single Player Arcade

Codename: Gordon is a wacky Jump 'n Run Game inspired by Half-Life 2 and created using Flash for the game-engine and Photoshop for the graphics. It features...

Counter-Strike

Counter-Strike Counter-Strike

Updated 6 days ago Released Nov 11, 2000 Single & Multiplayer First Person Shooter

Play the world's number 1 online action game. Engage in an incredibly realistic brand of terrorist warfare in this wildly popular team-based game. Ally...

Counter-Strike: Condition Zero

Counter-Strike: Condition Zero Counter-Strike: Condition Zero

Updated 3 days ago Released Mar 1, 2004 Single & Multiplayer First Person Shooter

Counter-Strike: Condition Zero advances the #1 online action game series by introducing objective based single-player action, the official CS bot, and...

Counter-Strike: Global Offensive

Counter-Strike: Global Offensive Counter-Strike: Global Offensive

Updated 3 months ago Released Aug 20, 2012 Single & Multiplayer First Person Shooter

Counter-Strike: Global Offensive (CS: GO) will expand upon the team-based action gameplay that it pioneered when it was launched 12 years ago.

Counter-Strike: Source

Counter-Strike: Source Counter-Strike: Source

Updated 2 months ago Released Oct 30, 2004 Single & Multiplayer First Person Shooter

Counter-Strike: Source blends Counter-Strike's award-winning teamplay action with the advanced technology of Source technology. Featuring state of the...

Day of Defeat

Day of Defeat Day of Defeat

Updated 4 months ago Released Apr 29, 2003 Multiplayer First Person Shooter

Enlist in an intense brand of Axis vs. Allied teamplay set in the WWII European Theatre of Operations. Players assume the role of light/assault/heavy...

Day of Defeat: Source

Day of Defeat: Source Day of Defeat: Source

Updated 8 months ago Released Sep 25, 2005 Single & Multiplayer First Person Shooter

Day of Defeat offers intense online action gameplay set in Europe during WWII. Assume the role of infantry, sniper or machine-gunner classes, and more...

Deathmatch Classic

Deathmatch Classic Deathmatch Classic

Updated 3 years ago Released May 31, 2001 Multiplayer First Person Shooter

Enjoy fast-paced multi-player gaming with DeathMatch Classic (aka DMC). Valve's tribute to the work of id software, DMC invites players to grab their...

Defense Grid: You Monster

Defense Grid: You Monster Defense Grid: You Monster

Updated 1 year ago Released Dec 7, 2011 Single Player Tower Defense

GLaDOS, the menacing AI from Valve’s awesome Portal franchise, guest stars and shakes up the Defense Grid world. Players will battle not only alien hordes...

Mods
Counter-Strike
Half-Life

Counter-Strike

Updated 4 months ago Released Dec 9, 2005 Multiplayer First Person Shooter

Counter-Strike is a modification (MOD) to the excellent game, Half-Life. It modifies the multiplayer aspects of Half-Life to bring to it a more team-oriented...

Team Fortress Classic
Half-Life

Team Fortress Classic

Updated 3 months ago Released Aug 4, 2002 Multiplayer First Person Shooter

Team Fortress is an online action game that features a wide variety of character classes -- from Medic to Spy to Demolition Man -- enlisted in a unique...

Post comment Comments  (420 - 430 of 443)
EDOC32
EDOC32 Feb 14 2009, 4:05pm says:

oh my God, valve !!!!. ok. games that are made very very good. I was looking for something to communicate with you and I found it. I wanted you to know that if we could take the first Half-Life of the 1997 me and my brother are fans of you know that are 2 and valve makers who worked in a job MICROSOFT 2 years and another 3 years. also wanted to know if you can give me what is necessary to make a mod of Half-Life. We have not found any program to create mod. the valve hammer editor does not know very well use it. do not know how these things get darker screens, etc.. You are professionals and we want to know how to make a mod for HL. ah and by the way, the Source SDK is not ******* with it for any evil, I tell them where. I say "steam" that I have not found anything, or on the internet. ah and is said to google Buy Steam not even know why but I read in a web forum, this is not in another.
valve greetings!

-3 votes     reply to comment
norton2
norton2 Nov 12 2009, 11:22am replied:

Have you been SPEAKING KLINGON THE WHOLE TIME ???

+2 votes     reply to comment
Speakerofthedark
Speakerofthedark Feb 9 2009, 11:41am says:

Valve is the best i love their games L4D,Half-Life,Half-life 2 and all the other games they are doing!!!!!!!

+1 vote     reply to comment
Fallen Angel
Fallen Angel Jan 2 2009, 3:16pm says:

I wonder what Valve is doing now.

+1 vote     reply to comment
NinjaDuck
NinjaDuck Dec 31 2008, 9:44am says:

Valve has the best games! (My opinion)

+1 vote     reply to comment
redisforever
redisforever May 2 2009, 8:13pm replied:

Everyone's Opinion

0 votes     reply to comment
Killer_man_1996
Killer_man_1996 Nov 24 2008, 6:57pm says:

Valve is great!!!

+1 vote     reply to comment
ImNoobA1
ImNoobA1 Nov 19 2008, 2:07am says:

Half-life 1 is my first game!
Valve Rocks!!
^.^

+1 vote     reply to comment
Zombanana
Zombanana Oct 15 2008, 8:34pm says:

Valve = Best ever!!! I almost only play Valve games. I hardly ever play anything not made by Valve or something not made on Goldsource/Source engine. Unless it is something EXTREMELY awesome.(But nothing can ever compare to Valve.)

+1 vote     reply to comment
olliehamilton
olliehamilton Jul 31 2008, 4:53am says:

Valve is the BEST! keep up the good work, any chance i could get an invite?? :>

-2 votes     reply to comment
morphfox
morphfox Aug 21 2008, 4:19pm replied:

LolZerZ

+2 votes     reply to comment
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