Half-Life: Opposing Force
Details: Video game expansion
Descr: Half-Life: Opposing Force is an expansion pack for the first-person shooter game Half-Life. The game was developed by Gearbox Software and Valve and published by Sierra On-Line for Windows on November 19, 1999. Opposing Force was the first expansion for Half-Life and was announced in April 1999. Wikipedia
Initial Release Date: November 19, 1999
Engine: GoldSrc
Series: Half-Life
Writers: Stephen Bahl; Rob Heironimus; Kristy Junio; Randy Pitchford
Developers: Gearbox Software, Valve Corporation
Designers: Randy Pitchford, Richard Gray
Descr: Half-Life: Opposing Force is an expansion pack for the first-person shooter game Half-Life. The game was developed by Gearbox Software and Valve and published by Sierra On-Line for Windows on November 19, 1999. Opposing Force was the first expansion for Half-Life and was announced in April 1999. Wikipedia
Initial Release Date: November 19, 1999
Engine: GoldSrc
Series: Half-Life
Writers: Stephen Bahl; Rob Heironimus; Kristy Junio; Randy Pitchford
Developers: Gearbox Software, Valve Corporation
Designers: Randy Pitchford, Richard Gray