Half-Life: Opposing Force
Computer Released November 19, 1999 Sierra Studios, Gearbox Software
- Region
- PAL
- Complete
- $56
- Sales in 90 days
- 1in 90 days
- Region
- NTSC
- Complete
- $12
- Sales in 90 days
- 4in 90 days
Variants
Market value
No sales yet
1 sale since October 2026
Other releases
Other copy states: complete (5).
Sales history
| Sold | Listing | Region | Edition | Condition | Price | Feedback | |
|---|---|---|---|---|---|---|---|
| Oct 19, 2026 sold after a year |
|
VGA 90 NM+/MT Half-Life: Opposing Force Green BIG BOX PC CD 1999 NEW! - RARE! | NTSC | Big Box (Windows) | Graded VGA 90 Sealed | $1,080 eBay | |
Photos
NTSC
-
Front -
Disc
Frequently asked
How much is Half-Life: Opposing Force worth on Computer?
A complete copy sells for about $12 in NTSC (US, Canada). One complete copy has sold in PAL (EU, UK, Australia), for $55.92 on October 10, 2026.
How is sales data gathered?
We retrieve listing information through eBay alerts and Vinted alerts provided by GrailHound and apply image recognition and text processing to link marketplace listings to games.
Who made Half-Life: Opposing Force and when did it come out?
Published by Sierra Studios and developed by Gearbox Software. Released November 19, 1999.