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?

547 to 889 copies, based on its 19 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 547–889; from 19 reviews (Positive)

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 Defend The Keep and predicted how it would do from its 8 similar games. Every figure here, including Defend The Keep's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 1k–204k

best case 773k (Thronefall)

Games like Defend The Keep

A typical game among these

≈ 1k–204k copies

≈ $3k–$1.0M after Steam's cut

from ~60 reviews

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

2 of the 8 similar games are hits.

Best case: Thronefall at ≈ 589k–957k copies, ≈ $2.1M–$5.7M after Steam's cut.

What their first month looked like

About half the games that made it here had over 44 reviews in their first month; the range was 2 to 16k.

Games with under about 100 reviews in month one almost never recover.

The genre you'd be entering

These games: The similar games share Tower Defense (6 of 8) and Action RTS (2 of 8).
The winners: Winners here lead with Tower Defense + City Builder, priced around $13.
When they shipped: The similar games span 2012 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
Sons of Ra 2021	Est. copies ≈ 2k SteamSpy under 20k	Est. revenue $6k–$17k after Steam's cut $12k–$26k before Steam's cut	$14.99	62 reviews Mostly Positive	Tower DefenseRTS
Thronefall 2024	Est. copies ≈ 589k–957k 396x vs typical SteamSpy 500k–1M	Est. revenue $2.1M–$5.7M after Steam's cut $3.8M–$8.7M before Steam's cut	$12.99	24k reviews Overwhelmingly Positive	Tower DefenseStrategy
Winged Sakura: Mindy's Arc 2014	Est. copies ≈ 11k–17k 3.1x vs typical SteamSpy under 20k	Est. revenue $29k–$78k after Steam's cut $53k–$120k before Steam's cut	$9.99	188 reviews Mostly Positive	AnimeRPG
Orcs Must Die! 2 2012	Est. copies ≈ 1.2M–2.0M 328x vs typical SteamSpy 2M–5M	Est. revenue $5.1M–$13.8M after Steam's cut $9.3M–$21.2M before Steam's 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 $6k–$15k before Steam's cut	$9.99	52 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 Steam's 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–$9k before Steam's cut	$4.99	58 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 Steam's cut	$7.99	3 reviews 3 user reviews	Action RTSWargame