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How many copies did Super Sanctum TD sell?

Estimated copies sold
≈ 100k–162k
$137k–$368k after Steam's cut $249k–$566k before the cut
from 2k 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 Super Sanctum TD out and predicted the genre from its 8 similar games. Every figure here, including Super Sanctum TD's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 192k–818k
best case 1.9M (They Are Billions)
Games like Super Sanctum TD

The middle of these games

≈ 192k–818k copies

≈ $1.4M–$5.2M after Steam's cut

from ~10k 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: They Are Billions at ≈ 1.5M–2.4M copies, ≈ $12.2M–$32.8M after Steam's cut.

What it took to get here
About half the games that made it here had over 6k reviews in their first month; the spread ran 1k to 16k.
The genre you'd be entering
Your set
Your set clusters on Tower Defense (7 of 8) and City Builder (4 of 8).
The winners
Winners here lead with Base-Building + Colony Sim, priced around $30.
The era
The games you compared span 2013 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

Rogue Tower
2022
Est. copies
≈ 147k–239k
SteamSpy 500k–1M
Est. revenue
$605k–$1.6M after Steam's cut $1.1M–$2.5M before the cut
$14.99
6k reviews
Very Positive
Tower DefenseStrategy
The Riftbreaker
2021
Est. copies
≈ 611k–993k
2.4x vs typical
SteamSpy 1M–2M
Est. revenue
$5.0M–$13.6M after Steam's cut $9.2M–$20.9M before the cut
$29.99
25k reviews
Very Positive
Base-BuildingTower Defense
Stronghold HD (2012)
2013
Est. copies
≈ 659k–1.1M
SteamSpy 200k–500k
Est. revenue
$1.1M–$2.9M after Steam's cut $2.0M–$4.5M before the cut
$5.99
10k reviews
Overwhelmingly Positive
Real Time TacticsCity Builder
X-Morph: Defense
2017
Est. copies
≈ 143k–233k
SteamSpy 200k–500k
Est. revenue
$788k–$2.1M after Steam's cut $1.4M–$3.3M before the cut
$19.99
4k reviews
Very Positive
Tower DefenseStrategy
Thronefall
2024
Est. copies
≈ 583k–947k
2.3x vs typical
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
They Are Billions
2019
Est. copies
≈ 1.5M–2.4M
4.9x 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
Stronghold: Definitive Edition
2023
Est. copies
≈ 256k–416k
SteamSpy 500k–1M
Est. revenue
$1.1M–$2.8M after Steam's cut $1.9M–$4.4M before the cut
$14.99
10k reviews
Very Positive
City BuilderStrategy
Yet Another Zombie Defense HD
2017
Est. copies
≈ 125k–203k
SteamSpy 200k–500k
Est. revenue
$137k–$369k after Steam's cut $250k–$568k before the cut
$3.99
4k reviews
Very Positive
ZombiesTop-Down Shooter

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