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How many copies did Air Traffic: Greenlight sell?

Estimated copies sold
≈ 5k–8k
$11k–$29k after Steam's cut $20k–$45k before Steam's cut
from 201 reviews (Very Positive)

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

Did the prediction match what actually happened?

We hid Air Traffic: Greenlight and predicted how it would do from its 7 similar games. Every figure here, including Air Traffic: Greenlight's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 537–1.6M
best case 2.0M (Stormworks: Build and Rescue)
Games like Air Traffic: Greenlight

A typical game among these

≈ 537–1.6M copies

≈ $53k–$21.4M after Steam's cut

from ~2k reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

4 of the 7 similar games are hits.

Best case: Stormworks: Build and Rescue at ≈ 1.5M–2.4M copies, ≈ $10.3M–$27.6M after Steam's cut.

What their first month looked like
The games that made it here had under 22k reviews in their first month.
The genre you'd be entering
These games
The similar games share Simulation (5 of 7) and Flight (4 of 7).
The winners
Winners here lead with Sandbox + Base-Building, priced around $25.
When they shipped
4 of the 7 similar games shipped in the last two years, so this genre is actively shipping.
How these numbers were worked out

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

Copies come from each game's reviews times a sales-per-review rate that falls with release age, from about 31 for the most recent game here to about 38 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

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Sizing up your own game? See how many copies games in its genre usually sell before you build it.