How much revenue did The Citadel make?

An estimated 322k to 866k net after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did The Citadel sell?

Q: How many copies did The Citadel sell?

An estimated 78k to 127k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 78k–127k; $322k–$866k net $585k–$1.3M gross; from 3k 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 The Citadel out and predicted the genre from its 8 similar games. Every figure here, including The Citadel's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 824k–1.7M

best case 11.1M (Half-Life)

The FPS lane

A big, proven genre, though hit-driven: most sell around 1.1M copies, while a few break out far above.

A typical game

≈ 1.1M copies

≈ $4.1M after Steam's cut

from ~21k reviews

Best case

≈ 11.1M copies

Half-Life · ≈ $42.7M after Steam's cut

from 162k reviews

A breakout hit, far above a typical game.

7 of your 8 games sit in the typical range; 1 is a breakout hit far above it.

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

Winners here lead with FPS + Classic, priced around $10.
The breakout hits carry Multiplayer + 1990's + Sci-fi; a typical game here doesn't.
The games you compared span 1998 to 2023, a lane with a long track record.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

Similar games

Game	Price	Reviews	Tags	Est. copies	Est. revenue
DOOM + DOOM II 2007	Est. copies ≈ 1.5M–2.4M SteamSpy 1M–2M	Est. revenue $4.1M–$10.9M net $7.4M–$16.8M gross	$9.99	28k reviews Overwhelmingly Positive	FPSClassic +6
Montaro 2016	Est. copies ≈ 487k–792k SteamSpy 200k–500k	Est. revenue $133k–$357k net $241k–$549k gross	$0.99	12k reviews Overwhelmingly Positive	MemesCute +6
Half-Life: Opposing Force 1999	Est. copies ≈ 1.5M–2.4M SteamSpy 2M–5M	Est. revenue $2.0M–$5.5M net $3.7M–$8.4M gross	$4.99	28k reviews Overwhelmingly Positive	FPSAction +6
Quake 2007	Est. copies ≈ 810k–1.3M SteamSpy 1M–2M	Est. revenue $2.2M–$6.0M net $4.0M–$9.2M gross	$9.99	16k reviews Overwhelmingly Positive	FPSClassic +6
Half-Life 1998	Est. copies ≈ 8.4M–13.7M 7.8x vs typical SteamSpy 10M–20M	Est. revenue $23.2M–$62.3M net $42.1M–$95.8M gross	$9.99	162k reviews Overwhelmingly Positive	FPSClassic +6
DUSK 2018	Est. copies ≈ 769k–1.2M SteamSpy 1M–2M	Est. revenue $4.2M–$11.4M net $7.7M–$17.5M gross	$19.99	25k reviews Overwhelmingly Positive	Boomer ShooterFPS +6
Warhammer 40,000: Boltgun 2023	Est. copies ≈ 429k–697k SteamSpy 200k–500k	Est. revenue $2.6M–$7.0M net $4.7M–$10.7M gross	$21.99	18k reviews Very Positive	Boomer ShooterFPS +6
Half-Life: Blue Shift 2001	Est. copies ≈ 1.1M–1.8M SteamSpy 1M–2M	Est. revenue $1.5M–$4.0M net $2.7M–$6.2M gross	$4.99	21k reviews Very Positive	FPSAction +6