Half-Life Opposing Force Big Box PC Game Expansion Valve CD-ROM Classic Sierra

• Brand: Sierra
• Game Name: Half-Life Opposing Force
• Platform: PC
• Type: Expansion Pack
• Developer: Gearbox Software
• Publisher: Sierra
• Release Year: 1999
• Genre: Action & Adventure
• Language: English
• Format: CD-ROM

Used - Good. Visible wear on box corners and edges. Box is missing inner layer. Some cracks on the CD case. Please see photos. The disc is in a very good condition.

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