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How many copies did Massive Defense sell?

Estimated copies sold
≈ 74–121
$163–$440 after Steam's cut $296–$677 before the cut
from 3 reviews (3 user reviews)
Thin evidence: 3 reviews. That range swings on one or two people, so read it as a hint, not a measurement.

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

Does this actually work?

We left Massive Defense out and predicted the genre from its 8 similar games. Every figure here, including Massive Defense's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 4k–66k
best case 1.3M (Company of Heroes 3)
Games like Massive Defense

The middle of these games

≈ 4k–66k copies

≈ $45k–$786k after Steam's cut

from ~661 reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

4 of your 8 similar games are hits.

Best case: Company of Heroes 3 at ≈ 992k–1.6M copies, ≈ $16.4M–$44.0M after Steam's cut.

What it took to get here
About half the games that made it here had over 144 reviews in their first month; the spread ran 55 to 13k.
The genre you'd be entering
Your set
Your set clusters on Wargame (8 of 8) and Action RTS (7 of 8).
The winners
Winners here lead with Wargame + RTS, priced around $60.
The era
5 of your 8 similar games shipped in the last two years. You'd be launching into a busy stretch.
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 43 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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