How much revenue did Sanctum make?

$584k–$1.6M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Sanctum sell?

Q: How many copies did Sanctum sell?

213k to 345k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 213k–345k; $584k–$1.6M after Steam's cut $1.1M–$2.4M before Steam's cut; from 3k reviews (Very 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 Sanctum and predicted how it would do from its 8 similar games. Every figure here, including Sanctum's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 4.6M–45.9M

best case 88.0M (Left 4 Dead 2)

Games like Sanctum

A typical game among these

≈ 4.6M–45.9M copies

≈ $26.5M–$308.7M after Steam's cut

from ~315k reviews

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

6 of the 8 similar games are hits.

Best case: Left 4 Dead 2 at ≈ 67.0M–108.9M copies, ≈ $184.1M–$495.0M after Steam's cut.

The genre you'd be entering

These games: The similar games share Co-op (8 of 8) and FPS (7 of 8).
The winners: Winners here lead with Zombies + Co-op, priced around $10.
When they shipped: The similar games span 2009 to 2024, and 1 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
Call of Duty®: Black Ops III 2015	Est. copies ≈ 11.4M–18.6M SteamSpy 5M–10M	Est. revenue $188.7M–$507.3M after Steam's cut $343.1M–$780.5M before Steam's cut	$59.99	234k reviews Very Positive	MultiplayerZombies
Sanctum 2 2013	Est. copies ≈ 910k–1.5M SteamSpy 2M–5M	Est. revenue $3.7M–$10.1M after Steam's cut $6.8M–$15.5M before Steam's cut	$14.99	14k reviews Very Positive	Tower Defense FPS
Left 4 Dead 2 2009	Est. copies ≈ 67.0M–108.9M 3.4x vs typical SteamSpy 50M–100M	Est. revenue $184.1M–$495.0M after Steam's cut $334.7M–$761.6M before Steam's cut	$9.99	1.1M reviews Overwhelmingly Positive	ZombiesCo-op
PAYDAY 2 2013	Est. copies ≈ 42.7M–69.3M 2.1x vs typical SteamSpy 20M–50M	Est. revenue $117.2M–$315.1M after Steam's cut $213.1M–$484.7M before Steam's cut	$9.99	675k reviews Very Positive	Co-opAction
Bloons TD 6 2018	Est. copies ≈ 12.0M–19.6M SteamSpy 2M–5M	Est. revenue $46.3M–$124.5M after Steam's cut $84.2M–$191.5M before Steam's cut	$13.99	396k reviews Overwhelmingly Positive	Tower DefenseStrategy
Outpost: Infinity Siege 2024	Est. copies ≈ 338k–550k SteamSpy 200k–500k	Est. revenue $2.3M–$6.2M after Steam's cut $4.2M–$9.6M before Steam's cut	$24.99	14k reviews Mixed	Robots3D
Out of Ammo 2016	Est. copies ≈ 31k–50k too small to compare SteamSpy 50k–100k	Est. revenue $84k–$226k after Steam's cut $153k–$347k before Steam's cut	$9.99	735 reviews Very Positive	VRTower Defense
Beach Invasion 1945 - Pacific 2023	Est. copies ≈ 7k–11k too small to compare SteamSpy under 20k	Est. revenue $19k–$50k after Steam's cut $34k–$78k before Steam's cut	$9.99	275 reviews Mostly Positive	ShooterWorld War II