How much revenue did X3: Reunion make?

$128k–$345k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did X3: Reunion sell?

Q: How many copies did X3: Reunion sell?

47k to 76k copies, based on its 739 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 47k–76k; $128k–$345k after Steam's cut $233k–$531k before the cut; from 739 reviews (Mostly 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 X3: Reunion out and predicted the genre from its 8 similar games. Every figure here, including X3: Reunion's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 916k–1.2M

best case 9.4M (Kerbal Space Program)

Games like X3: Reunion

The middle of these games

≈ 916k–1.2M copies

≈ $9.8M–$23.1M after Steam's cut

from ~30k 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: Kerbal Space Program at ≈ 7.1M–11.6M copies, ≈ $78.6M–$211.3M after Steam's cut. A breakout hit, far above a typical game.

What it took to get here

About half the games that made it here had over 16k reviews in their first month; the spread ran 12k to 26k.

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 + Simulation, priced around $20.
The era: The games you compared span 2015 to 2022, 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 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
Kerbal Space Program 2015	Est. copies ≈ 7.1M–11.6M 4.9x 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
Empyrion - Galactic Survival 2020	Est. copies ≈ 853k–1.4M 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
X4: Foundations 2018	Est. copies ≈ 911k–1.5M SteamSpy 1M–2M	Est. revenue $12.5M–$33.7M after Steam's cut $22.8M–$51.8M before the cut	$49.99	30k reviews Mostly Positive	Space SimSimulation
Dyson Sphere Program 2021	Est. copies ≈ 2.3M–3.7M 3.1x vs typical 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
STAR WARS™: Squadrons 2020	Est. copies ≈ 698k–1.1M SteamSpy 1M–2M	Est. revenue $7.7M–$20.6M after Steam's cut $14.0M–$31.8M before the cut	$39.99	28k reviews Mixed	FlightSpace
Elite Dangerous 2015	Est. copies ≈ 5.2M–8.5M 3.6x vs typical 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
Universe Sandbox 2015	Est. copies ≈ 1.6M–2.5M 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
Hardspace: Shipbreaker 2022	Est. copies ≈ 554k–900k SteamSpy 1M–2M	Est. revenue $5.3M–$14.3M after Steam's cut $9.7M–$22.0M before the cut	$34.99	22k reviews Very Positive	SpaceSci-fi