Half-Life: Opposing Force
Signal
The public input that drives the estimate.
Review count 29,147
Estimate low confidence
Lifetime units sold
874,410
349,764 – 1,748,820
Net revenue (after Steam cut, refunds, regional)
$2.4M
$955K – $4.8M
Method boxleiter:literature-baseline:v0 · as of 2026-10-10
This is a public-data approximation, not measured truth. Units are derived from review count via a genre/price-band multiplier; the band and confidence reflect that no verified sales data has calibrated this cell yet. Accuracy improves as real, opt-in sales data arrives.