How much revenue did Behind Glass: Aquarium Simulator make?

$43k–$115k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Behind Glass: Aquarium Simulator sell?

Q: How many copies did Behind Glass: Aquarium Simulator sell?

10k to 17k copies, based on its 419 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 10k–17k; $43k–$115k after Steam's cut $78k–$177k before Steam's cut; from 419 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 Behind Glass: Aquarium Simulator and predicted how it would do from its 8 similar games. Every figure here, including Behind Glass: Aquarium Simulator's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 20k–38k

best case 75k (Ultimate Fishing® Simulator 2)

Games like Behind Glass: Aquarium Simulator

A typical game among these

≈ 20k–38k copies

≈ $127k–$211k after Steam's cut

from ~671 reviews

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

3 of the 8 similar games are hits.

Best case: Ultimate Fishing® Simulator 2 at ≈ 57k–93k copies, ≈ $315k–$847k after Steam's cut.

What their first month looked like

About half the games that made it here had over 254 reviews in their first month; the range was 175 to 2k.

The genre you'd be entering

These games: The similar games share Simulation (6 of 8) and Realistic (5 of 8).
The winners: Winners here lead with Fishing + Simulation, priced around $20.
When they shipped: 4 of the 8 similar games shipped in the last two years, so this genre is actively shipping.

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 36 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
Aquarist 2024	Est. copies ≈ 29k–47k 1.7x vs typical SteamSpy 20k–50k	Est. revenue $126k–$340k after Steam's cut $230k–$523k before Steam's cut	$15.99	1k reviews Very Positive	IndieSandbox
Fish Game 2023	Est. copies ≈ 16k–26k SteamSpy under 20k	Est. revenue $111k–$297k after Steam's cut $201k–$458k before Steam's cut	$24.99	649 reviews Very Positive	Immersive SimCreature Collector
Aquarium Designer 2021	Est. copies ≈ 30k–49k 1.8x vs typical SteamSpy 50k–100k	Est. revenue $83k–$224k after Steam's cut $151k–$345k before Steam's cut	$9.99	1k reviews Very Positive	UnderwaterRelaxing
Biotope 2019	Est. copies ≈ 6k–10k SteamSpy under 20k	Est. revenue $26k–$70k after Steam's cut $47k–$108k before Steam's cut	$14.99	219 reviews Mixed	SimulationLife Sim
Subside 2024	Est. copies ≈ 13k–21k SteamSpy under 20k	Est. revenue $91k–$244k after Steam's cut $165k–$375k before Steam's cut	$24.99	532 reviews Overwhelmingly Positive	SimulationVR
Ecosystem 2024	Est. copies ≈ 16k–26k SteamSpy 20k–50k	Est. revenue $87k–$234k after Steam's cut $158k–$360k before Steam's cut	$19.99	639 reviews Mostly Positive	Colony Sim Automation
My Koi 2020	Est. copies ≈ 17k–28k SteamSpy 50k–100k	Est. revenue $24k–$63k after Steam's cut $43k–$98k before Steam's cut	$4.99	693 reviews Very Positive	RelaxingSimulation
Ultimate Fishing® Simulator 2 2025	Est. copies ≈ 57k–93k 3.4x vs typical SteamSpy 50k–100k	Est. revenue $315k–$847k after Steam's cut $573k–$1.3M before Steam's cut	$19.99	2k reviews Mixed	FishingSimulation