Valve Software

Added: 12/30/2008

Bellevue, Washington-based Valve was started in 1996, but did not rise to prominence until it released Half-Life. Valve has created a number of modifications to the original Half-Life and its follow-up, Half-Life 2, as well as a number of technologies, such as the Source game engine and Steam.

GAME LIST

Developers Games

Below are all games matching the criteria provided.

	Game Name	Unlockables	Easter Eggs	Codes	Glitches	Hints	Passwords
	Band Hero Cheats (PS3)	49	0	0	0	0	0
	Counter-Strike Cheats (XBOX)	0	0	0	0	0	2
	Counter-Strike 1: Anthology Cheats (PC)	0	0	65	0	0	0
	Counter-Strike: Source Cheats (PC)	0	0	17	0	0	0
	Day of Defeat Cheats (PC)	0	0	0	0	4	0
	Day of Defeat: Source Cheats (PC)	52	0	0	0	0	5
	Half Life 1: Anthology Cheats (PC)	0	1	88	3	2	38
	Half-Life Cheats (PC)	0	1	88	3	2	0
	Half-Life 2 Cheats (XBOX)	0	0	3	0	0	0
	Half-Life 2 Cheats (PC)	0	0	266	0	0	0
	Half-Life 2 Survivor Cheats (arcade)	0	0	0	0	0	0
	Half-Life 2: Deathmatch Cheats (PC)	0	0	0	0	0	0
	Half-Life 2: Episode One Cheats (PC)	0	0	84	0	0	15
	Half-Life 2: Episode Pack Cheats (PC)	0	0	22	0	0	15
	Half-Life 2: Episode Three Cheats (PC)	0	0	0	0	0	0
	Half-Life 2: Episode Two Cheats (PC)	22	0	61	0	0	0
	Half-Life 2: Lost Coast Cheats (PC)	0	0	51	0	0	0
	Half-Life 2: Platinum Cheats (PC)	0	0	264	0	0	5
	Half-Life 2: The Black Box (Episode Two) Cheats (PC)	0	0	0	0	0	0
	Half-Life Platinum Cheats (PC)	0	1	88	3	2	186
	Half-Life: Azure Sheep Cheats (PC)	0	0	0	0	0	0
	Half-Life: Generation Cheats (PC)	0	0	0	0	0	0
	Half-Life: Platinum Collection 2 Cheats (PC)	0	1	88	3	2	38
	Half-Life: Ricochet Cheats (PC)	0	0	0	0	0	0
	Half-Life: Science and Industry Cheats (PC)	0	0	17	0	0	0
	Half-Life: Source Cheats (PC)	0	0	0	0	0	0
	Half-Life: The Opera Cheats (PC)	0	0	0	0	0	0
	Half-Life: The Specialists Cheats (PC)	0	0	0	0	0	0
	Left 4 Dead Cheats (PC)	50	0	47	0	0	0
	Left 4 Dead Cheats (X360)	51	0	0	0	0	0
	Left 4 Dead 2 Cheats (PC)	50	0	49	0	0	0
	Left 4 Dead 2 Cheats (X360)	58	0	0	1	0	0
	Orange Pocket Cheats (PC)	0	0	0	0	0	0
	Oratiorio: Umi Yori Aoi Natsu no Achira de Cheats (PC)	0	0	0	0	0	0
	Oratorio Cheats (PC)	0	0	0	0	0	0
	Oratorio Yakusoku Cheats (PC)	0	0	0	0	0	0
	Portal Cheats (PC)	15	0	39	0	0	0
	Portal: Still Alive Cheats (X360)	12	0	9	0	0	0
	Porte no Note: Majokko Lesson Cheats (PC)	0	0	0	0	0	0
	Portrait Cheats (PC)	0	0	0	0	0	0
	Ports of Call Cheats (PC)	0	0	0	0	0	0
	Team Fortress 2 Cheats (PC)	320	0	0	0	0	0
	Team Fortress Classic Cheats (PC)	0	0	3	0	0	0
	The Orange Box Cheats (X360)	101	1	14	0	0	15
	The Orange Box Cheats (PC)	14	0	263	0	0	15

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