Half-Life Opposing Force

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Platform : PC
Format : CD Rom
Publisher : Sierra
Authors : Valve
Date : 2002
Product Code :

Other Software by Sierra:

Item Manufacturer Platform Format Date
Morph Artist (Sierra Home Classics) Sierra PC Windows 32 Bit CD ROM Unknown
Robots Sierra PlayStation 2 DVD ROM Unknown
Scarface Sierra PSP UMD Unknown
Leisure Suit Larry III Sierra Atari ST 3.5" floppy disk Unknown
NASCAR Racing 2002 Season Sierra Windows CD ROM Unknown
Grand Prix Legends (Best Seller Series) Sierra Windows CD ROM Unknown
No One Lives Forever 2 Sierra PC CD ROM Unknown
Aliens Versus Predator Gold Edition (Bestseller Series) Sierra PC Windows 32-bit PC CD-ROM Unknown
Oil's Well Sierra online Atari 8 Bit Cartridge 1983
Leisure Suit Larry in Land of the Lounge Lizards Sierra PC DOS 5.25" Disk and 3.5" 1987
King's Quest III - To Heir is Human Sierra PC 3.5 disc & 5.25 Floppy disk 1987
Space Quest II Sierra PC DOS 5.25 Disk 14 Nov 1987
Manhunter: New York Sierra On-Line Commodore Amiga 3.5" Floppy Disk 1988
Gold Rush Sierra On Line PC 1988
Leisure Suit Larry Goes Looking for Love (In Several Wrong Places) Sierra PC DOS CD-ROM 1988
Silpheed Sierra PC CD ROM 1988
Man Hunter 2: San Francisco Sierra On-Line PC DOS 3.5" & 5.25" floppy disk 1989
Space Quest III Sierra On-Line Commodore Amiga 3.5" Floppy Disk 1989
King's Quest II: Romancing the Throne Sierra Atari ST 3.5 Floppy Disk 1989
King's Quest: Quest for the Crown Sierra Atari ST 3.5 Floppy Disk 1989
King's Quest III: To Heir is Human Sierra Atari ST 3.5 Floppy Disk 1989
Black Lamp Sierra Atari ST 3.5 Floppy Disk 1989
Leisure Suit Larry III Sierra PC DOS 5.25" Disk 1989
King's Quest V Sierra Commodore Amiga 3.5 '' Disk 1990
Leisure Suit Larry II Sierra Atari ST 3.5" floppy disk 1990
Leisure Suit Larry Sierra Atari ST 3.5" floppy disk 1990
Red Baron Sierra On-Line Apple Mac Compact Disk 3.5 1990
King's Quest V Sierra PC DOS 3.5 and 5.25 Disks 1990
Solitaire Vol.II Sierra Atari ST 3.5" 26 Sep 1990
Leisure Suit Larry 5 Sierra PC DOS 3.5" Disk 1991
Leisure Suit Larry 1, 2 & 3 Sierra PC DOS 3.5" Disk 1991
Space Quest IV Sierra Apple Mac Compact Disk 3.5 1991
The Laffer Utilities - Version 4.01 Sierra PC DOS 5.25 Disk and 3.5" 1991
Space Quest IV Sierra PC DOS CD ROM 1991
King's Quest 6 Sierra On-Line MS-DOS PC CD-ROM 1992
Goblins I & Goblins II Sierra PC 3.5 disc & 5.25 Floppy disk 1992
Leisure Suit Larry 6 - Shape Up or Slip Out Sierra PC DOS CD-ROM 1993
Aces Of the Pacific Expansion Disk WWII 1946 Sierra On-Line PC CD-ROM 1993
Outpost Sierra Windows CD ROM 1994
Leisure Suit Larry Collectors Edition Sierra PC CD ROM 1994
Outpost Sierra PC CD-ROM 1994
King's Quest VII Sierra On-Line MS-DOS PC CD-ROM 22 Nov 1994
Aces - The Complete Collectors Edition Sierra PC Win CD ROM 1995
Alien Legacy Sierra PC CD ROM 1995
Space Quest 6: Roger Wilco in The Spinal Frontier Sierra On-Line PC DOS/Windows 3.1 PC CD-ROM 1995
Phantasmagoria Sierra PC CD-ROM 1995
The Beast Within Sierra MS-DOS/Windows/Mac CD-ROM 1995
Land Designer 3D Sierra Home PC Windows 32-bit PC CD-ROM 1996
Sierra Hot Demos (Autumn 1996) Sierra PC Windows 32-bit PC CD-ROM 1996
RAMA Sierra MS-DOS CD ROM 1 Jan 1996
Birthright The Gorgon’s Alliance Sierra PC CD-ROM 1997
Red Baron II Sierra On Line PC Windows 32-bit PC CD-ROM 30 Oct 1997
Web Artist Sierra On-Line PC CD ROM 1998
Half-Life Sierra Online PC Windows 32-bit PC CD-ROM 1998
King's Quest Mask of Eternity Sierra PC CD-ROM 1998
King's Quest Mask of Eternity (Originals) Sierra PC CD-ROM 1998
Home World (Sold Out) Sierra PC Windows 32-bit PC CD-ROM 1998
Caesar III (SierraOriginals) Sierra PC CD-ROM 1998
3D Minigolf Deluxe Sierra On-Line PC CD-ROM Jul 1998
Half-Life 2 Sierra PC DVD ROM 1999
Half-Life 2 Sierra PC DVD ROM 1999
Half-Life (Game of the Year Edition) Sierra PC DVD ROM 1999
Caesar 3 (Sold Out) Sierra Online PC Windows 32-bit PC CD-ROM 1999
Pharaoh Sierra PC CD-ROM 19 Nov 1999
Tribes 2 Sierra Online PC Windows 32-bit CD-ROM 2000
Gabriel Knight III Blood of the Damned Sierra PC CD-ROM 2000
Tribes Vengeance Sierra PC DVD-ROM 2000
Hoyle Bridge Sierra On-Line PC CD ROM 2000
Aliens Vs Predator 2 Sierra PC CD ROM 2001
Empire Earth Sierra Online PC Windows 32-bit CD-ROM 2001
SWAT 3 Sierra PC Windows 32-bit PC CD ROM 2001
Half-Life: Blue Shift Sierra On-Line, Valve PC CD ROM 2001
Aliens vs Predator 2 Sierra On Line PC Windows 32-bit PC CD-ROM 22 Oct 2001
Half-Life: Generation Sierra PC CD-ROM 2002
Half-Life Opposing Force Sierra PC CD Rom 2002
The Simpsons Hit & Run (Promotional Disc) Sierra Sony Playstation 2 DVD 2003
Dark Angel (Promotional Disc) Sierra Sony PlayStation 2 DVD-ROM 2003
Judge Dredd Sierra PC DVD ROM 2003
Judge Dredd - Dredd Vs Death Sierra Sony Playstation 2 DVD 2003
Arcanum of Steamworks & Magick Obscura (Explosiv) Sierra PC Windows 32-bit PC CD ROM 2003
Metal Arms: Glitch in the system Sierra Sony PlayStation 2 DVD ROM 2003
Homeworld 2 (GSP White Label) Sierra PC Windows 32-bit PC CD ROM 2003
The Simpsons Hit & Run Sierra Sony Playstation 2 DVD 2003
Hunter the Reckoning Wayward Sierra Sony Playstation 2 DVD 9 Sep 2003
SWAT: Global Strike Team Sierra Xbox DVD 28 Oct 2003
The Simpsons Hit and Run Sierra PC Windows 32-bit PC CD-ROM 21 Nov 2003
Red Ninja End of Honour Sierra Microsoft Xbox DVD 2004
Spyro : A Hero's Tail Sierra Sony PlayStation 2 DVD-ROM 2004
Cold Winter Sierra Sony Playstation 2 DVD ROM 2004
Half-Life (Best Seller Series) Sierra PC DVD ROM 2004
Evil Genius Sierra PC Windows 32-bit PC CD ROM 2004
Nexus - The Jupiter Incident Sierra PC Windows 32-bit PC CD-ROM 2004
The Chronicles of Riddick - Escape from Butcher Bay Sierra Microsoft Xbox DVD 2004
Robots Sierra Nintendo Gamecube MiniDVD 11 Mar 2005
Crash Tag Team Racing Sierra Sony Playstation 2 DVD ROM 4 Nov 2005
Leisure Suit Larry Collection Sierra PC Windows 32-bit PC CD-ROM 2006
Ice Age 2 The Meltdown Sierra Sony PlayStation 2 DVD ROM 31 Mar 2006
Scarface The World Is Yours Sierra Sony Playstation 2 DVD Jul 2006
Fear - First Encounter Assault Recon - Platinum Collection Sierra PC Windows 32 Bit DVD-ROM 2007
Time Shift Sierra PC Windows 32-bit PC DVD-ROM 2007
Crash of the Titans Sierra Entertainment Nintendo DS Game Card 4 Oct 2007
The Mummy: Tomb of the Dragon Emperor Sierra Entertainment Nintendo DS Cartridge 2008
The Legend of Spyro: Dawn of the Dragon Sierra Nintendo DS Game Card 2008

Information About Sierra:

 

 

 

This exhibit has a reference ID of CH45614. Please quote this reference ID in any communication with the Centre for Computing History.
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