How much revenue did Wattam make?

$82k–$220k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Wattam sell?

Q: How many copies did Wattam sell?

15k to 24k copies, based on its 599 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 15k–24k; $82k–$220k after Steam's cut $148k–$338k before the cut; from 599 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 Wattam out and predicted the genre from its 8 similar games. Every figure here, including Wattam's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 659k–6.9M

best case 104.7M (Garry's Mod)

Games like Wattam

The middle of these games

≈ 659k–6.9M copies

≈ $7.6M–$71.1M after Steam's cut

from ~56k reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

All 8 of your similar games are hits.

Best case: Garry's Mod at ≈ 79.8M–129.6M copies, ≈ $219.1M–$589.2M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Sandbox (7 of 8) and Open World (5 of 8).
The winners: Winners here lead with Sandbox + Moddable, priced around $10.
The era: The games you compared span 2006 to 2024, and 2 of your 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
Garry's Mod 2006	Est. copies ≈ 79.8M–129.6M 23x vs typical SteamSpy 20M–50M	Est. revenue $219.1M–$589.2M after Steam's cut $398.4M–$906.5M before the cut	$9.99	1.3M reviews Overwhelmingly Positive	SandboxModdable
Goat Simulator 3 2024	Est. copies ≈ 393k–639k SteamSpy 200k–500k	Est. revenue $3.2M–$8.7M after Steam's cut $5.9M–$13.4M before the cut	$29.99	16k reviews Overwhelmingly Positive	ExplorationPhysics
Goat Simulator 2014	Est. copies ≈ 3.9M–6.4M SteamSpy 2M–5M	Est. revenue $10.8M–$29.1M after Steam's cut $19.6M–$44.7M before the cut	$9.99	70k reviews Very Positive	SimulationFunny
Kerbal Space Program 2015	Est. copies ≈ 7.1M–11.6M 2.6x vs typical SteamSpy 2M–5M	Est. revenue $78.6M–$211.3M after Steam's cut $142.9M–$325.1M before the cut	$39.99	146k reviews Overwhelmingly Positive	SpaceSimulation
SPORE™ 2008	Est. copies ≈ 4.6M–7.5M SteamSpy 2M–5M	Est. revenue $25.2M–$67.8M after Steam's cut $45.8M–$104.3M before the cut	$19.99	73k reviews Very Positive	God GameOpen World
Little Kitty, Big City 2024	Est. copies ≈ 342k–557k SteamSpy 200k–500k	Est. revenue $2.4M–$6.3M after Steam's cut $4.3M–$9.7M before the cut	$24.99	14k reviews Overwhelmingly Positive	CatsCute
LEGO® Worlds 2017	Est. copies ≈ 538k–875k SteamSpy 500k–1M	Est. revenue $4.4M–$11.9M after Steam's cut $8.1M–$18.4M before the cut	$29.99	16k reviews Mostly Positive	LEGOOpen World
Bully: Scholarship Edition 2008	Est. copies ≈ 2.7M–4.3M SteamSpy 2M–5M	Est. revenue $10.9M–$29.4M after Steam's cut $19.9M–$45.2M before the cut	$14.99	42k reviews Very Positive	Open WorldAction