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Counter-Strike: Condition Zero

Counter-Strike: Condition Zero

Valve · Valve · released 2004-03-01 · $9.99 · View on Steam ↗

ActionAdventureAtmosphericClassicCompetitiveDarkFPSFirst-PersonMilitaryMultiplayerOld SchoolOnline Co-OpOpen WorldShooterSingleplayerStrategySurvivalTacticalTeam-BasedViolent

Signal

The public input that drives the estimate.

Review count 28,460

Estimate low confidence

Lifetime units sold
853,800
341,520 – 1,707,600
Net revenue (after Steam cut, refunds, regional)
$4.7M
$1.9M – $9.3M

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.