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How many copies did Defend the Rook sell?

Estimated copies sold
≈ 6k–10k
$30k–$80k after Steam's cut $54k–$123k before the cut
from 243 reviews (Mostly Positive)

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

Copies, estimated from reviews

typical (middle half) 447–56k
best case 444k (The Last Spell)
Games like Defend the Rook

The middle of these games

≈ 447–56k copies

≈ $2k–$363k after Steam's cut

from ~23 reviews

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

3 of your 8 similar games are hits.

Best case: The Last Spell at ≈ 338k–550k copies, ≈ $2.3M–$6.3M after Steam's cut.

What it took to get here
About half the games that made it here had over 18 reviews in their first month; the spread ran 3 to 8k.
Under about 100 in month one, almost nothing recovers.
The genre you'd be entering
Your set
Your set clusters on Rogue-lite (6 of 8) and Tower Defense (6 of 8).
The winners
Winners here lead with Turn-Based Strategy + Turn-Based Tactics, priced around $25.
The era
Only 3 of your 8 similar games shipped in the last two years. That says more about your picks than about the market, so add newer similar games to read the timing.
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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StrategyRPG

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