How much revenue did Fortification: tower defence make?

$393–$1k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Fortification: tower defence sell?

Q: How many copies did Fortification: tower defence sell?

719 to 1k copies, based on its 29 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 719–1k; $393–$1k after Steam's cut $715–$2k before Steam's cut; from 29 reviews (Mixed)

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 Fortification: tower defence and predicted how it would do from its 8 similar games. Every figure here, including Fortification: tower defence's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 100k–471k

best case 1.8M (Stronghold Crusader HD (2012))

Games like Fortification: tower defence

A typical game among these

≈ 100k–471k copies

≈ $575k–$2.0M after Steam's cut

from ~4k reviews

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

All 8 of the similar games are hits.

Best case: Stronghold Crusader HD (2012) at ≈ 1.3M–2.2M copies, ≈ $3.7M–$9.9M after Steam's cut.

What their first month looked like

About half the games that made it here had over 1k reviews in their first month; the range was 285 to 5k.

The genre you'd be entering

These games: The similar games share Real Time Tactics (8 of 8) and Building (6 of 8).
The winners: Winners here lead with Military + City Builder, priced around $10.
When they shipped: The similar games span 2013 to 2024, and 2 of the 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

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Minimalist Tower Defense 2024	Est. copies ≈ 46k–75k SteamSpy 50k–100k	Est. revenue $64k–$171k after Steam's cut $116k–$264k before Steam's cut	$4.99	2k reviews Very Positive	Tower DefenseStrategy
Artisan TD 2024	Est. copies ≈ 63k–102k SteamSpy 200k–500k	Est. revenue $293k–$789k after Steam's cut $533k–$1.2M before Steam's cut	$16.99	3k reviews Very Positive	Tower DefenseStrategy
Infinitode 2 - Infinite Tower Defense 2021	Est. copies ≈ 105k–171k SteamSpy 50k–100k	Est. revenue Free	Free	4k reviews Very Positive	Level EditorTower Defense
Creeper World 4 2020	Est. copies ≈ 117k–191k SteamSpy 200k–500k	Est. revenue $807k–$2.2M after Steam's cut $1.5M–$3.3M before Steam's cut	$24.99	5k reviews Very Positive	Tower DefenseWargame
Stronghold HD (2012) 2013	Est. copies ≈ 661k–1.1M 2.3x vs typical SteamSpy 200k–500k	Est. revenue $1.1M–$2.9M after Steam's cut $2.0M–$4.5M before Steam's cut	$5.99	10k reviews Overwhelmingly Positive	Real Time TacticsCity Builder
Element TD 2 - Tower Defense 2021	Est. copies ≈ 80k–130k SteamSpy 200k–500k	Est. revenue $331k–$889k after Steam's cut $601k–$1.4M before Steam's cut	$14.99	3k reviews Very Positive	Tower DefenseReal Time Tactics
Stronghold Crusader HD (2012) 2013	Est. copies ≈ 1.3M–2.2M 4.7x vs typical SteamSpy 1M–2M	Est. revenue $3.7M–$9.9M after Steam's cut $6.7M–$15.2M before Steam's cut	$9.99	21k reviews Overwhelmingly Positive	MilitaryCity Builder
Stronghold: Definitive Edition 2023	Est. copies ≈ 258k–419k 2.3x vs typical SteamSpy 500k–1M	Est. revenue $1.1M–$2.9M after Steam's cut $1.9M–$4.4M before Steam's cut	$14.99	10k reviews Very Positive	City BuilderStrategy