How much revenue did Universe Sandbox Legacy make?

Universe Sandbox Legacy is free to play, so there is no copy-sales revenue to estimate.

How many copies did Universe Sandbox Legacy sell?

Q: How many copies did Universe Sandbox Legacy sell?

188k to 306k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 188k–306k; 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 Universe Sandbox Legacy out and predicted the genre from its 8 similar games. Every figure here, including Universe Sandbox Legacy's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 5.3M–8.8M

best case 10.8M (Stellaris)

Games like Universe Sandbox Legacy

The middle of these games

≈ 5.3M–8.8M copies

≈ $41.0M–$122.0M after Steam's cut

from ~121k 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: Stellaris at ≈ 8.2M–13.3M copies, ≈ $112.6M–$302.8M after Steam's cut.

The genre you'd be entering

Your set: Your set clusters on Simulation (8 of 8) and Space (8 of 8).
The winners: Winners here lead with Space + Grand Strategy, priced around $50.
The era: The games you compared span 2008 to 2021, and none of them 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
Universe Sandbox 2015	Est. copies ≈ 1.6M–2.5M too small to compare SteamSpy 1M–2M	Est. revenue $12.9M–$34.7M after Steam's cut $23.5M–$53.4M before the cut	$29.99	32k reviews Overwhelmingly Positive	SandboxSpace
Kerbal Space Program 2015	Est. copies ≈ 7.1M–11.6M 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
Elite Dangerous 2015	Est. copies ≈ 5.2M–8.5M SteamSpy 2M–5M	Est. revenue $28.8M–$77.4M after Steam's cut $52.3M–$119.1M before the cut	$19.99	107k reviews Mostly Positive	Space SimSpace
Space Engineers 2019	Est. copies ≈ 3.9M–6.3M SteamSpy 2M–5M	Est. revenue $21.3M–$57.2M after Steam's cut $38.7M–$88.0M before the cut	$19.99	134k reviews Very Positive	SpaceSandbox
Dyson Sphere Program 2021	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $12.5M–$33.6M after Steam's cut $22.7M–$51.6M before the cut	$19.99	92k reviews Overwhelmingly Positive	AutomationSpace
Stellaris 2016	Est. copies ≈ 8.2M–13.3M 1.6x vs typical SteamSpy 2M–5M	Est. revenue $112.6M–$302.8M after Steam's cut $204.7M–$465.8M before the cut	$49.99	197k reviews Very Positive	SpaceGrand Strategy
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
Empyrion - Galactic Survival 2020	Est. copies ≈ 853k–1.4M too small to compare SteamSpy 1M–2M	Est. revenue $4.7M–$12.6M after Steam's cut $8.5M–$19.4M before the cut	$19.99	34k reviews Mostly Positive	Simulation Co-op