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)

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 Universe Sandbox Legacy and predicted how it would do from its 8 similar games. Every figure here, including Universe Sandbox Legacy's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 5.3M–8.8M

best case 10.7M (Stellaris)

Games like Universe Sandbox Legacy

A typical game among these

≈ 5.3M–8.8M copies

≈ $41.1M–$122.6M after Steam's cut

from ~121k reviews

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

All 8 of the similar games are hits.

Best case: Stellaris at ≈ 8.2M–13.3M copies, ≈ $112.6M–$302.6M after Steam's cut.

The genre you'd be entering

These games: The similar games share Simulation (8 of 8) and Space (8 of 8).
The winners: Winners here lead with Space + Grand Strategy, priced around $50.
When they shipped: The similar games 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–2.6M too small to compare SteamSpy 1M–2M	Est. revenue $13.0M–$35.0M after Steam's cut $23.6M–$53.8M before Steam's cut	$29.99	32k reviews Overwhelmingly Positive	SandboxSpace
Kerbal Space Program 2015	Est. copies ≈ 7.2M–11.7M SteamSpy 2M–5M	Est. revenue $79.0M–$212.3M after Steam's cut $143.6M–$326.6M before Steam's cut	$39.99	147k reviews Overwhelmingly Positive	SpaceSimulation
Elite Dangerous 2015	Est. copies ≈ 5.3M–8.5M SteamSpy 2M–5M	Est. revenue $28.9M–$77.8M after Steam's cut $52.6M–$119.6M before Steam's cut	$19.99	108k reviews Mostly Positive	Space SimSpace
Space Engineers 2019	Est. copies ≈ 3.9M–6.3M SteamSpy 2M–5M	Est. revenue $21.3M–$57.3M after Steam's cut $38.7M–$88.1M before Steam's cut	$19.99	135k reviews Very Positive	SpaceSandbox
Dyson Sphere Program 2021	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $12.5M–$33.7M after Steam's cut $22.8M–$51.9M before Steam's 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–$302.6M after Steam's cut $204.7M–$465.6M before Steam's cut	$49.99	197k reviews Very Positive	SpaceGrand Strategy
SPORE™ 2008	Est. copies ≈ 4.6M–7.5M SteamSpy 2M–5M	Est. revenue $25.3M–$68.0M after Steam's cut $46.0M–$104.7M before Steam's cut	$19.99	73k reviews Very Positive	God GameOpen World
Empyrion - Galactic Survival 2020	Est. copies ≈ 854k–1.4M too small to compare SteamSpy 1M–2M	Est. revenue $4.7M–$12.6M after Steam's cut $8.5M–$19.4M before Steam's cut	$19.99	34k reviews Mostly Positive	Simulation Co-op