Portal 2
Signal
The public input that drives the estimate.
Review count 468,149
Estimate low confidence
Lifetime units sold
14,044,470
5,617,788 – 28,088,940
Net revenue (after Steam cut, refunds, regional)
$76.8M
$30.7M – $153.6M
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.