How much revenue did Space Prison make?

$40k–$108k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Space Prison sell?

Q: How many copies did Space Prison sell?

7k to 12k copies, based on its 296 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 7k–12k; $40k–$108k after Steam's cut $73k–$167k before Steam's cut; from 296 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 Space Prison and predicted how it would do from its 8 similar games. Every figure here, including Space Prison's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 317–4k

best case 16k (Capes)

Games like Space Prison

A typical game among these

≈ 317–4k copies

≈ $2k–$23k after Steam's cut

from ~18 reviews

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

None of the 8 similar games are hits.

Best case: Capes at ≈ 13k–20k copies, ≈ $138k–$371k after Steam's cut.

What their first month looked like

The games that made it here had under 279 reviews in their first month.

Games with under about 100 reviews in month one almost never recover.

The genre you'd be entering

These games: The similar games share Strategy RPG (7 of 8) and Turn-Based Strategy (7 of 8).
The winners: Winners here lead with Turn-Based Tactics + Superhero, priced around $40.
When they shipped: 6 of the 8 similar games shipped in the last two years. You'd be launching into a busy stretch.

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 of about 31, 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
Flint: Treasure of Oblivion 2024	Est. copies ≈ 3k–5k 7.0x vs typical SteamSpy 20k–50k	Est. revenue $21k–$58k after Steam's cut $39k–$89k before Steam's cut	$24.99	126 reviews Mixed	Tactical RPGPirates
Idle Exorcism Hero 2023	Est. copies ≈ 3k–4k 6.2x vs typical SteamSpy under 20k	Est. revenue $4k–$10k after Steam's cut $7k–$16k before Steam's cut	$4.99	111 reviews Mostly Positive	RPGCasual
Fairealm 2024	Est. copies ≈ 149–242 SteamSpy under 20k	Est. revenue Free	Free	6 reviews 6 user reviews	CRPGTactical RPG
Capes 2024	Est. copies ≈ 13k–20k 28x vs typical SteamSpy 50k–100k	Est. revenue $138k–$371k after Steam's cut $251k–$571k before Steam's cut	$39.99	506 reviews Mixed	Turn-Based TacticsSuperhero
Vesper: Ether Saga - Episode 1 2024	Est. copies ≈ 273–443 SteamSpy 50k–100k	Est. revenue $1k–$4k after Steam's cut $2k–$6k before Steam's cut	$17.99	11 reviews Positive	RPGStrategy
Last Kids on Earth: Hit the Deck! 2023	Est. copies ≈ 446–725 SteamSpy under 20k	Est. revenue $2k–$5k after Steam's cut $3k–$8k before Steam's cut	$14.99	18 reviews Positive	Card BattlerTrading Card Game
Furion Chronicles 3 2025	Est. copies ≈ 446–725 SteamSpy under 20k	Est. revenue $735–$2k after Steam's cut $1k–$3k before Steam's cut	$5.99	18 reviews Mixed	Turn-Based TacticsStrategy
Super Cambur The Sacred Orbs 2024	Est. copies ≈ 25–40 SteamSpy under 20k	Est. revenue $83–$218 after Steam's cut $150–$336 before Steam's cut	$11.99	1 reviews 1 user reviews	ExplorationTactical RPG