How much revenue did Age of Defense make?

$74k–$199k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Age of Defense sell?

Q: How many copies did Age of Defense sell?

18k to 29k copies, based on its 723 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 18k–29k; $74k–$199k after Steam's cut $134k–$306k before the cut; from 723 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 Age of Defense out and predicted the genre from its 8 similar games. Every figure here, including Age of Defense's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 493k–1.3M

best case 765k (Thronefall)

Games like Age of Defense

The middle of these games

≈ 493k–1.3M copies

≈ $3.9M–$6.5M after Steam's cut

from ~16k 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: Thronefall at ≈ 583k–947k copies, ≈ $2.1M–$5.6M after Steam's cut.

What it took to get here

About half the games that made it here had over 5k 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 (8 of 8) and Building (2 of 8).
The winners: Winners here lead with Tower Defense + City Builder, priced around $13.
The era: The games you compared span 2011 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

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Orcs Must Die! 2 2012	Est. copies ≈ 1.2M–2.0M SteamSpy 2M–5M	Est. revenue $5.1M–$13.7M after Steam's cut $9.3M–$21.1M before the cut	$14.99	20k reviews Very Positive	Tower Defense Co-op
Orcs Must Die! 3 2021	Est. copies ≈ 369k–600k SteamSpy 1M–2M	Est. revenue $3.0M–$8.2M after Steam's cut $5.5M–$12.6M before the cut	$29.99	15k reviews Very Positive	Tower Defense Co-op
Dungeon Defenders 2011	Est. copies ≈ 1.2M–1.9M SteamSpy 2M–5M	Est. revenue $4.9M–$13.3M after Steam's cut $9.0M–$20.5M before the cut	$14.99	19k reviews Very Positive	MultiplayerOnline Co-Op
Legion TD 2 - Multiplayer Tower Defense 2021	Est. copies ≈ 378k–614k SteamSpy 1M–2M	Est. revenue $2.6M–$7.0M after Steam's cut $4.7M–$10.7M before the cut	$24.99	15k reviews Very Positive	Tower DefenseMultiplayer
Kingdom Rush Vengeance - Tower Defense 2020	Est. copies ≈ 269k–437k SteamSpy 500k–1M	Est. revenue $1.5M–$4.0M after Steam's cut $2.7M–$6.1M before the cut	$19.99	11k reviews Very Positive	Tower DefenseStrategy
Kingdom Rush - Tower Defense 2014	Est. copies ≈ 957k–1.6M SteamSpy 1M–2M	Est. revenue $2.6M–$7.1M after Steam's cut $4.8M–$10.9M before the cut	$9.99	17k reviews Overwhelmingly Positive	Tower DefenseStrategy
Kingdom: New Lands 2016	Est. copies ≈ 514k–834k SteamSpy 1M–2M	Est. revenue $2.1M–$5.7M after Steam's cut $3.8M–$8.8M before the cut	$14.99	12k reviews Very Positive	Tower Defense Survival
Thronefall 2024	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