How much revenue did Left 4 Dead make?

$9.6M–$25.9M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Left 4 Dead sell?

3.5M to 5.7M copies, based on its 68k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 3.5M–5.7M; $9.6M–$25.9M after Steam's cut $17.5M–$39.9M before the cut; from 68k reviews (Overwhelmingly Positive)

A labeled estimate from the public review count (adjusted for release year), not exact sales. Owner data cross-checked with SteamSpy.

We don't have enough similar games to place Left 4 Dead in its genre yet, so these are its own numbers, not a genre read.

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