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How many copies did Shapebreaker - Tower Defense Deckbuilder sell?

Estimated copies sold
≈ 2k–3k
$2k–$6k after Steam's cut $4k–$9k before the cut
from 65 reviews (Very 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 Shapebreaker - Tower Defense Deckbuilder out and predicted the genre from its 8 similar games. Every figure here, including Shapebreaker - Tower Defense Deckbuilder's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 765k–1.1M
best case 15.7M (Bloons TD 6)
Games like Shapebreaker - Tower Defense Deckbuilder

The middle of these games

≈ 765k–1.1M copies

≈ $4.0M–$6.8M after Steam's cut

from ~25k reviews

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

All 8 of your similar games are hits.

Best case: Bloons TD 6 at ≈ 12.0M–19.5M copies, ≈ $46.1M–$124.0M after Steam's cut. A breakout hit, far above a typical game.

The genre you'd be entering
Your set
Your set clusters on Tower Defense (6 of 8) and Base-Building (3 of 8).
The winners
Winners here lead with Tower Defense, priced around $14. The breakout hits carry Singleplayer + Zombies; a typical game here doesn't.
The era
The games you compared span 2009 to 2024, and 1 of your 8 shipped in the last two years.
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 79 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Thronefall
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Est. copies
≈ 583k–947k
SteamSpy 500k–1M
Est. revenue
$2.1M–$5.6M after Steam's cut $3.8M–$8.6M before the cut
$12.99
24k reviews
Overwhelmingly Positive
Tower DefenseStrategy
Bloons TD 6
2018
Est. copies
≈ 12.0M–19.5M
16x vs typical
SteamSpy 2M–5M
Est. revenue
$46.1M–$124.0M after Steam's cut $83.8M–$190.7M before the cut
$13.99
394k reviews
Overwhelmingly Positive
Tower DefenseStrategy
Bloons TD Battles
2016
Est. copies
≈ 1.2M–2.0M
SteamSpy 1M–2M
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Free
Free
29k reviews
Very Positive
Free to PlayTower Defense
They Are Billions
2019
Est. copies
≈ 1.5M–2.4M
2.0x vs typical
SteamSpy 2M–5M
Est. revenue
$12.2M–$32.8M after Steam's cut $22.2M–$50.5M before the cut
$29.99
51k reviews
Very Positive
Base-BuildingColony Sim
Monster Train
2020
Est. copies
≈ 569k–924k
SteamSpy 500k–1M
Est. revenue
$3.9M–$10.5M after Steam's cut $7.1M–$16.2M before the cut
$24.99
23k reviews
Overwhelmingly Positive
Card BattlerRogue-lite
Mindustry
2019
Est. copies
≈ 803k–1.3M
SteamSpy 1M–2M
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$2.2M–$5.9M after Steam's cut $4.0M–$9.1M before the cut
$9.99
28k reviews
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Base-BuildingResource Management
Plants vs. Zombies GOTY Edition
2009
Est. copies
≈ 9.8M–16.0M
6.1x vs typical
SteamSpy 2M–5M
Est. revenue
$13.5M–$36.2M after Steam's cut $24.5M–$55.8M before the cut
$4.99
155k reviews
Overwhelmingly Positive
Tower DefenseZombies
Forts
2017
Est. copies
≈ 870k–1.4M
SteamSpy 1M–2M
Est. revenue
$3.6M–$9.6M after Steam's cut $6.5M–$14.8M before the cut
$14.99
25k reviews
Very Positive
Base-BuildingMultiplayer

Sizing up your own game? See what its genre can realistically do before you build it.