CHEAT CODES
← Timeline
Half-Life: Opposing Force
The Bit Wars · 1999

Half-Life: Opposing Force

Microsoft Windows · Gearbox Software
science fictionfirst-person shooter
79
Collectability score
provisional · live trend arrives with PriceCharting

Why it matters — Half-Life: Opposing Force is a science fiction title from Gearbox Software, released in 1999 on the Microsoft Windows. It blends science fiction and first-person shooter. Editorial history, credits, and box art arrive as we enrich from IGDB.

↑ price history — the proprietary data only we store (begins on first snapshot)
Loose est$76
CIB est$234
Sealed est$1596
💰 See actual recent sales of Half-Life: Opposing Force on eBay →

Estimates above are placeholders; live values arrive with PriceCharting.

🔴 Live now 1 streaming Half-Life: Opposing Force

Released on: Microsoft WindowsmacOS