How much revenue did The Solus Project make?

$600k–$1.6M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did The Solus Project sell?

Q: How many copies did The Solus Project sell?

109k to 177k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 109k–177k; $600k–$1.6M after Steam's cut $1.1M–$2.5M before the cut; from 3k 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 The Solus Project out and predicted the genre from its 8 similar games. Every figure here, including The Solus Project's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 4.5M–5.4M

best case 27.5M (Fallout 4)

Games like The Solus Project

The middle of these games

≈ 4.5M–5.4M copies

≈ $40.9M–$60.9M after Steam's cut

from ~139k 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: Fallout 4 at ≈ 20.9M–34.0M copies, ≈ $115.0M–$309.3M after Steam's cut. A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Survival (7 of 8) and Exploration (6 of 8).
The winners: Winners here lead with Open World + Exploration, priced around $30.
The era: The games you compared span 2015 to 2024, and 1 of your 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
Subnautica: Below Zero 2021	Est. copies ≈ 2.7M–4.4M SteamSpy 2M–5M	Est. revenue $22.2M–$59.6M after Steam's cut $40.3M–$91.6M before the cut	$29.99	108k reviews Very Positive	Open World Survival CraftSurvival
Subnautica 2018	Est. copies ≈ 11.5M–18.8M 2.7x vs typical SteamSpy 5M–10M	Est. revenue $95.2M–$256.0M after Steam's cut $173.1M–$393.9M before the cut	$29.99	380k reviews Overwhelmingly Positive	Open World Survival CraftSurvival
Oxygen Not Included 2019	Est. copies ≈ 4.1M–6.7M SteamSpy 2M–5M	Est. revenue $28.5M–$76.5M after Steam's cut $51.7M–$117.7M before the cut	$24.99	144k reviews Overwhelmingly Positive	Colony SimBase-Building
Fallout 4 2015	Est. copies ≈ 20.9M–34.0M 3.1x vs typical SteamSpy 10M–20M	Est. revenue $115.0M–$309.3M after Steam's cut $209.1M–$475.8M before the cut	$19.99	429k reviews Very Positive	Open WorldPost-apocalyptic
No Man's Sky 2016	Est. copies ≈ 17.3M–28.1M 3.0x vs typical SteamSpy 5M–10M	Est. revenue $285.6M–$767.9M after Steam's cut $519.3M–$1181.5M before the cut	$59.99	416k reviews Very Positive	Open WorldOpen World Survival Craft
ASTRONEER 2019	Est. copies ≈ 4.0M–6.5M SteamSpy 2M–5M	Est. revenue $33.0M–$88.8M after Steam's cut $60.1M–$136.6M before the cut	$29.99	139k reviews Very Positive	MultiplayerOpen World
S.T.A.L.K.E.R. 2: Heart of Chornobyl 2024	Est. copies ≈ 3.5M–5.6M SteamSpy 2M–5M	Est. revenue $57.1M–$153.6M after Steam's cut $103.9M–$236.3M before the cut	$59.99	140k reviews Mostly Positive	Open WorldFPS
Starbound 2016	Est. copies ≈ 5.1M–8.3M SteamSpy 2M–5M	Est. revenue $21.1M–$56.8M after Steam's cut $38.4M–$87.5M before the cut	$14.99	123k reviews Very Positive	Open World Survival CraftSandbox