How much revenue did Defend The Keep make?

Defend The Keep is free to play, so there is no copy-sales revenue to estimate.

How many copies did Defend The Keep sell?

Q: How many copies did Defend The Keep sell?

576 to 936 copies, based on its 20 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 576–936; from 20 reviews (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 Keep out and predicted the genre from its 8 similar games. Every figure here, including Defend The Keep's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 1k–202k

best case 765k (Thronefall)

Games like Defend The Keep

The middle of these games

≈ 1k–202k copies

≈ $3k–$1.0M after Steam's cut

from ~61 reviews

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

2 of your 8 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 45 reviews in their first month; the spread ran 2 to 16k.

Under about 100 in month one, almost nothing recovers.

The genre you'd be entering

Your set: Your set clusters on Tower Defense (6 of 8) and Action RTS (2 of 8).
The winners: Winners here lead with Tower Defense + City Builder, priced around $13.
The era: The games you compared span 2012 to 2024, and 2 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

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Sons of Ra 2021	Est. copies ≈ 2k SteamSpy under 20k	Est. revenue $6k–$17k after Steam's cut $12k–$26k before the cut	$14.99	62 reviews Mostly Positive	Tower DefenseRTS
Thronefall 2024	Est. copies ≈ 583k–947k 389x 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
Winged Sakura: Mindy's Arc 2014	Est. copies ≈ 10k–17k 3.1x vs typical SteamSpy under 20k	Est. revenue $29k–$77k after Steam's cut $52k–$119k before the cut	$9.99	187 reviews Mostly Positive	AnimeRPG
Orcs Must Die! 2 2012	Est. copies ≈ 1.2M–2.0M 324x vs typical 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
Mace and Grace: action fight blood fitness arcade 2020	Est. copies ≈ 1k–2k SteamSpy under 20k	Est. revenue $4k–$10k after Steam's cut $7k–$15k before the cut	$9.99	53 reviews Very Positive	ActionIndie
Tyrgard Archer VR 2020	Est. copies ≈ 496–806 SteamSpy under 20k	Est. revenue $135–$363 after Steam's cut $246–$559 before the cut	$0.99	20 reviews Mostly Positive	ColorfulFantasy
Hold The Fort 2019	Est. copies ≈ 2k–3k SteamSpy under 20k	Est. revenue $2k–$6k after Steam's cut $4k–$10k before the cut	$4.99	59 reviews Very Positive	StrategyIndie
Massive Defense 2024	Est. copies ≈ 74–121 SteamSpy under 20k	Est. revenue $163–$440 after Steam's cut $296–$677 before the cut	$7.99	3 reviews 3 user reviews	Action RTSWargame