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How many copies did Defending Earth sell?

Estimated copies sold
≈ 25–40
$34–$91 after Steam's cut $62–$140 before Steam's cut
from 1 review (1 user reviews)
Only 1 review so far, so that range swings on one or two people. Read it as a hint, not a measurement.

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 Defending Earth and predicted how it would do from its 8 similar games. Every figure here, including Defending Earth's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 242k–787k
best case 1.3M (Company of Heroes 3)
Games like Defending Earth

A typical game among these

≈ 242k–787k copies

≈ $2.4M–$9.6M after Steam's cut

from ~17k reviews

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

5 of the 8 similar games are hits.

No genre covers most of these similar games. The closest is Historical (3 of 8), so its genre is hard to place.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: Company of Heroes 3 at ≈ 1.0M–1.6M copies, ≈ $16.5M–$44.4M after Steam's cut.

What their first month looked like
About half the games that made it here had over 5k reviews in their first month; the range was 1 to 22k.
The genre you'd be entering
These games
The similar games share Historical (3 of 8) and Real Time Tactics (3 of 8).
The winners
Winners here lead with Wargame + RTS, priced around $60.
When they shipped
4 of the 8 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 of about 31, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

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