Game Developer Research Part 2 - Valve

Game Company: Valve Corporation (1996)

Official Website: http://www.valvesoftware.com/

Wiki: http://en.wikipedia.org/wiki/Valve_Corporation

Youtube Channel: https://www.youtube.com/user/Valve

Games:

Half-Life (1998)
Team Fortress Classic (1999)
Half-Life: Opposing Force (1999)
Deathmatch Classic (2000)
Richochet (2000)
Counter-Strike (2000)
Half-Life:Blue Shift (2001)
Half-Life:Decay (2001)
Day of Defeat (2003)
Counter-Strike: Condition Zero (2004)
Half-Life: Source (2004)
Counter-Strike: Source (2004)
Half-Life 2 (2004)
Half-Life 2: Deathmatch (2004)
Half-Life Deathmatch: Source (2005)
Day of Defeat: Source  (2005)
Half-Life 2: Lost Coast (2005)
Half-Life 2: Episode One (2006)
Half-Life 2: Episode Two (2007)
Portal (2007)
Team Fortress 2 (2007)
Left 4 Dead (2008)
Left 4 Dead 2 (2009)
Alien Swarm (2010)
Portal 2 (2011)
Counter-Strike: Global Offensive (2012)
Dota 2 (2013)

History:
All Your History: Valve by Machinima
Part 1


Part 2


Part 3


Part 4


Part 5


Part 6



Character artists:  I'll be looking at their more recent titles: Half-Life 2, Left 4 Dead 2, and Portal 2

Half-Life 2:
Concept Art: http://half-life.wikia.com/wiki/Category:Half-Life_2_concept_art
Development: http://combineoverwiki.net/wiki/Development_of_Half-Life_2

Dhabih Eng (Concept Artist): http://combineoverwiki.net/wiki/Dhabih_Eng

Half-Life 2: Episode 1:

Dhabih Eng (Concept Artist): http://combineoverwiki.net/wiki/Dhabih_Eng

Half-Life 2: Episode 2:

Dhabih Eng (Concept Artist): http://combineoverwiki.net/wiki/Dhabih_Eng

Half-Life 2: Episode 3 (not released):
Andrea Wicklund: http://combineoverwiki.net/wiki/Andrea_Wicklund

Left 4 Dead 2:

Portal 2:
Andrea Wicklund: http://combineoverwiki.net/wiki/Andrea_Wicklund

Having difficulty finding information on who worked on characters, will update as I find out.

DevBlog: http://www.valvesoftware.com/news/feeds.html