How much revenue did Accretion make?

$3k–$8k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Accretion sell?

Q: How many copies did Accretion sell?

1k to 2k copies, based on its 41 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 1k–2k; $3k–$8k after Steam's cut $5k–$12k before Steam's cut; from 41 reviews (Mixed)

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

Copies, estimated from reviews

typical (middle half) 625k–4.6M

best case 9.4M (Kerbal Space Program)

Games like Accretion

A typical game among these

≈ 625k–4.6M copies

≈ $6.9M–$54.3M after Steam's cut

from ~30k reviews

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

7 of the 8 similar games are hits.

Best case: Kerbal Space Program at ≈ 7.2M–11.7M copies, ≈ $79.0M–$212.3M after Steam's cut.

What their first month looked like

About half the games that made it here had over 7k reviews in their first month; the range was 9 to 73k.

The genre you'd be entering

These games: The similar games share Simulation (7 of 8) and Space (6 of 8).
The winners: Winners here lead with Space + Simulation, priced around $40.
When they shipped: The similar games span 2015 to 2026, and 1 of the 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 61 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
Alcyon Infinity 2023	Est. copies ≈ 223–363 too small to compare SteamSpy 20k–50k	Est. revenue $61–$164 after Steam's cut $110–$252 before Steam's cut	$0.99	9 reviews 9 user reviews	ActionTop-Down Shooter
EVERSPACE™ 2017	Est. copies ≈ 395k–642k SteamSpy 500k–1M	Est. revenue $2.2M–$5.8M after Steam's cut $3.9M–$9.0M before Steam's cut	$19.99	11k reviews Mostly Positive	SpaceAction Roguelike
Elite Dangerous 2015	Est. copies ≈ 5.3M–8.5M 3.6x vs typical 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
Hardspace: Shipbreaker 2022	Est. copies ≈ 557k–905k SteamSpy 1M–2M	Est. revenue $5.4M–$14.4M after Steam's cut $9.7M–$22.2M before Steam's cut	$34.99	22k reviews Very Positive	SpaceSci-fi
X4: Foundations 2018	Est. copies ≈ 920k–1.5M SteamSpy 1M–2M	Est. revenue $12.7M–$34.0M after Steam's cut $23.0M–$52.3M before Steam's cut	$49.99	30k reviews Mostly Positive	Space SimSimulation
Kerbal Space Program 2015	Est. copies ≈ 7.2M–11.7M 4.9x vs typical 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
Microsoft Flight Simulator (2020) 40th Anniversary Edition 2026	Est. copies ≈ 1.8M–2.9M 2.4x vs typical SteamSpy 2M–5M	Est. revenue $29.9M–$80.5M after Steam's cut $54.4M–$123.8M before Steam's cut	$59.99	73k reviews Mostly Positive	SimulationFlight
Spaceflight Simulator 2022	Est. copies ≈ 243k–395k SteamSpy 200k–500k	Est. revenue $1.0M–$2.7M after Steam's cut $1.8M–$4.1M before Steam's cut	$14.99	10k reviews Overwhelmingly Positive	SandboxSpace Sim