How much revenue did X4: Foundations make?

An estimated 12.3M to 33.0M net after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did X4: Foundations sell?

Q: How many copies did X4: Foundations sell?

An estimated 892k to 1.4M copies, based on its 29k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 892k–1.4M; $12.3M–$33.0M net $22.3M–$50.7M gross; from 29k 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 X4: Foundations out and predicted the genre from its 8 similar games. Every figure here, including X4: Foundations's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 4.8M–7.1M

best case 21.6M (No Man's Sky)

The Space lane

A big, proven genre, though hit-driven: most sell around 5.9M copies, while a few break out far above.

A typical game

≈ 5.9M copies

≈ $51.1M after Steam's cut

from ~124k reviews

Best case

≈ 21.6M copies

No Man's Sky · ≈ $500.4M after Steam's cut

from 411k reviews

A breakout hit, far above a typical game.

4 of your 8 games sit in the typical range; 1 is a breakout hit far above it, and 3 are too small to compare.

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

Winners here lead with Open World + Open World Survival Craft, priced around $60.
The breakout hits carry Open World Survival Craft + Procedural Generation + Adventure; a typical game here doesn't.
The games you compared span 2010 to 2021, a lane with a long track record.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

Similar games

Game	Price	Reviews	Tags	Est. copies	Est. revenue
Kerbal Space Program 2015	Est. copies ≈ 6.7M–10.9M SteamSpy 2M–5M	Est. revenue $73.5M–$197.6M net $133.6M–$303.9M gross	$39.99	144k reviews Overwhelmingly Positive	SpaceSimulation +6
Oxygen Not Included 2019	Est. copies ≈ 4.1M–6.7M SteamSpy 2M–5M	Est. revenue $28.2M–$75.7M net $51.2M–$116.5M gross	$24.99	142k reviews Overwhelmingly Positive	Colony SimBase-Building +6
Elite Dangerous 2015	Est. copies ≈ 4.9M–8.0M SteamSpy 2M–5M	Est. revenue $27.2M–$73.1M net $49.5M–$112.5M gross	$19.99	107k reviews Mostly Positive	Space SimSpace +6
Dyson Sphere Program 2021	Est. copies ≈ 2.3M–3.7M SteamSpy 2M–5M	Est. revenue $12.4M–$33.4M net $22.6M–$51.4M gross	$19.99	91k reviews Overwhelmingly Positive	AutomationSpace +6
No Man's Sky 2016	Est. copies ≈ 16.4M–26.7M 3.3x vs typical SteamSpy 5M–10M	Est. revenue $271.3M–$729.5M net $493.3M–$1122.2M gross	$59.99	411k reviews Very Positive	Open WorldOpen World Survival Craft +6
Empyrion - Galactic Survival 2020	Est. copies ≈ 905k–1.5M too small to compare SteamSpy 1M–2M	Est. revenue $5.0M–$13.4M net $9.0M–$20.6M gross	$19.99	34k reviews Mostly Positive	SimulationCo-op +6
Universe Sandbox 2015	Est. copies ≈ 1.5M–2.4M too small to compare SteamSpy 1M–2M	Est. revenue $12.1M–$32.5M net $22.0M–$50.1M gross	$29.99	32k reviews Overwhelmingly Positive	SandboxSpace +6
EVE Online 2010	Est. copies ≈ 2.0M–3.3M too small to compare SteamSpy 2M–5M	Est. revenue Free	Free	39k reviews Mostly Positive	SpaceFree to Play +6