All Valve Developed Game Titles ( 1998 - 2009 )

http://store.steampowered.com/sub/2546/

Valve is an entertainment software and technology company founded in 1996 and based in Bellevue, Washington. The companys 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 160 of the industry's best artists, programmers, and writers. In the company's 12-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.

In addition to producing best-selling entertainment titles, Valve is a developer of leading-edge technologies such as the Source™ game engine and Steam™, a broadband platform for the delivery and management of digital content. We also provide gaming content to a network of CyberCafés around the world.

http://www.valvesoftware.com

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• 1998
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[UberTuber04]

My motto: if it's Valve, It's Fun. End of Conversation

[MilankovNS94]

1.Half-life series

2.Portal Series

3 Counter strike - and Source

4. Team Fortress (Both)

5.Left 4 Dead (Both)

6.Day of Defeat!

7.Well all my fav games are from Valve..

8. and then Garry came.. he made Garry's mod with all Source games =D gotta love it.

[Destruction555666]

@Destruction555666

there even is this half life visitors ?????

[Destruction555666]

I remember another Half Life game,dont know if its called half life but it does have the half life characters(scientists,security guards,soldiers).you get your suit(green color :| )somewhere in a room,and your gun,if you shoot some one around there, the ceiling guns will draw and shoot at you and its game over.After you get the suit, you get inside the same chamber from where you got it,or a chamber close to it,you are teleported to different areas??? at the last, there are soldiers???

[JustaGleekBr]

Yes, valve can't count to three

[audryzas]

@zjrlegomovies because it's not suppose to be in the list, of games developed by valve.

[audryzas]

@Landwhale456 their not valve cannon, their made by gearbox

[Landwhale456]

You forgot Blue Shift and Opposing Force

[zjrlegomovies]

no half life blue shift or oppsing forces

[aerodromiaN4Life]

@01FNG by*

[01FNG]

there are mods that were devolopped buy players not valve it self , but their all good