How much revenue did Megaquarium make?

$784k–$2.1M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Megaquarium sell?

Q: How many copies did Megaquarium sell?

114k to 185k copies, based on its 4k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 114k–185k; $784k–$2.1M after Steam's cut $1.4M–$3.2M before the cut; from 4k reviews (Overwhelmingly 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 Megaquarium out and predicted the genre from its 8 similar games. Every figure here, including Megaquarium's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 8.1M–17.7M

best case 85.4M (Garry's Mod)

The Sandbox genre

All 8 of your similar games are hits. A big, proven genre for a game like yours.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game

≈ 8.1M–17.7M copies

≈ $93.2M–$268.3M after Steam's cut

from ~291k reviews

Best case

≈ 65.1M–105.7M copies

Garry's Mod · ≈ $178.7M–$480.5M after Steam's cut

A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Sandbox (6 of 8) and Building (4 of 8).
The winners: Winners here lead with Sandbox + Moddable, priced around $12. The breakout hits carry Multiplayer + Casual + Funny; a typical game here doesn't.
The era: The games you compared span 2006 to 2020, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
House Flipper 2018	Est. copies ≈ 3.4M–5.5M too small to compare SteamSpy 2M–5M	Est. revenue $23.1M–$62.2M after Steam's cut $42.1M–$95.7M before the cut	$24.99	111k reviews Very Positive	SimulationDesign & Illustration
Garry's Mod 2006	Est. copies ≈ 65.1M–105.7M 4.3x vs typical SteamSpy 20M–50M	Est. revenue $178.7M–$480.5M after Steam's cut $324.9M–$739.2M before the cut	$9.99	1.3M reviews Overwhelmingly Positive	SandboxModdable
People Playground 2019	Est. copies ≈ 9.1M–14.8M SteamSpy 5M–10M	Est. revenue $24.9M–$67.1M after Steam's cut $45.4M–$103.2M before the cut	$9.99	315k reviews Overwhelmingly Positive	SandboxGore
The Sims™ 4 2020	Est. copies ≈ 5.2M–8.5M SteamSpy 10M–20M	Est. revenue Free	Free	197k reviews Very Positive	Life SimCharacter Customization
Stardew Valley 2016	Est. copies ≈ 41.0M–66.6M 3.5x vs typical SteamSpy 20M–50M	Est. revenue $169.0M–$454.3M after Steam's cut $307.2M–$698.9M before the cut	$14.99	1.0M reviews Overwhelmingly Positive	Farming SimPixel Graphics
Sid Meier’s Civilization® VI 2016	Est. copies ≈ 15.1M–24.5M SteamSpy 10M–20M	Est. revenue $248.4M–$667.9M after Steam's cut $451.7M–$1027.6M before the cut	$59.99	376k reviews Very Positive	StrategyTurn-Based Strategy
Factorio 2020	Est. copies ≈ 6.1M–10.0M SteamSpy 5M–10M	Est. revenue $59.1M–$158.9M after Steam's cut $107.4M–$244.4M before the cut	$35.00	233k reviews Overwhelmingly Positive	AutomationBase-Building
Cities: Skylines 2015	Est. copies ≈ 13.5M–21.9M SteamSpy 10M–20M	Est. revenue $111.2M–$298.9M after Steam's cut $202.2M–$459.9M before the cut	$29.99	291k reviews Very Positive	City Builder Simulation