Sierra

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Sierra Sierra was an American publisher founded in 1979 as On-Line Systems by Ken and Roberta Williams. Based in Oakhurst, California and later in Fresno, California, the company was owned by Activision, a subsidiary of Activision Blizzard.

Sierra handled the retail publication of several Valve games under its proper name and later under its holding name, Vivendi Games, until Electronic Arts took over, due to Vivendi Games (under Sierra Entertainment) distributing Valve games to Internet Cafes, breaking Valve's contract.

Following the release of Half-Life, Sierra offered a "Congratulations for Raising the Bar on Action Games" award to Valve in the form of a golden crowbar. It is showcased in the lobby at Valve's headquarters, also featuring the replica of the Half-Life 2 crowbar.

The company went defunct in 2008.

Products published

Year Product Name Notes
1998 Half-Life Half-Life
1999 Half-Life: Uplink Half-Life: Uplink
Half-Life: Further Data
Counter-Strike Counter-Strike
Half-Life: Opposing Force Half-Life: Opposing Force
2001 Half-Life: Blue Shift Half-Life: Blue Shift
Half-Life (PS2) Half-Life (PS2)
2004 Half-Life 2 Half-Life 2
Cancelled Half-Life (Dreamcast) Half-Life (Dreamcast)

External links