How much revenue did Isles of Sea and Sky make?

$227k–$611k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Isles of Sea and Sky sell?

Q: How many copies did Isles of Sea and Sky sell?

41k to 67k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 41k–67k; $227k–$611k after Steam's cut $413k–$940k before Steam's cut; from 2k 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 Isles of Sea and Sky and predicted how it would do from its 8 similar games. Every figure here, including Isles of Sea and Sky's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 410k–1.4M

best case 5.9M (Celeste)

Games like Isles of Sea and Sky

A typical game among these

≈ 410k–1.4M copies

≈ $2.9M–$8.1M after Steam's cut

from ~14k reviews

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

All 8 of the similar games are hits.

Best case: Celeste at ≈ 4.5M–7.4M copies, ≈ $24.9M–$67.0M after Steam's cut.

What their first month looked like

About half the games that made it here had over 10k reviews in their first month; the range was 5k to 11k.

The genre you'd be entering

These games: The similar games share Platformer (6 of 8) and Metroidvania (4 of 8).
The winners: Winners here lead with Precision Platformer + Platformer, priced around $20.
When they shipped: The similar games span 2013 to 2024, 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 79 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
ANIMAL WELL 2024	Est. copies ≈ 612k–995k 1.8x vs typical SteamSpy 200k–500k	Est. revenue $4.2M–$11.3M after Steam's cut $7.6M–$17.4M before Steam's cut	$24.99	25k reviews Overwhelmingly Positive	MetroidvaniaExploration
FEZ 2013	Est. copies ≈ 1.0M–1.7M SteamSpy 1M–2M	Est. revenue $2.8M–$7.6M after Steam's cut $5.1M–$11.7M before Steam's cut	$9.99	16k reviews Very Positive	PlatformerIndie
Celeste 2018	Est. copies ≈ 4.5M–7.4M 11x vs typical SteamSpy 2M–5M	Est. revenue $24.9M–$67.0M after Steam's cut $45.3M–$103.1M before Steam's cut	$19.99	149k reviews Overwhelmingly Positive	Precision PlatformerDifficult
SANABI 2023	Est. copies ≈ 1.1M–1.8M 3.3x vs typical SteamSpy 500k–1M	Est. revenue $4.6M–$12.4M after Steam's cut $8.4M–$19.1M before Steam's cut	$14.99	45k reviews Overwhelmingly Positive	Pixel GraphicsStory Rich
You Have to Win the Game 2014	Est. copies ≈ 321k–521k SteamSpy 200k–500k	Est. revenue Free	Free	6k reviews Very Positive	MetroidvaniaFree to Play
Lunacid 2023	Est. copies ≈ 287k–467k SteamSpy 200k–500k	Est. revenue $1.1M–$3.0M after Steam's cut $2.0M–$4.6M before Steam's cut	$13.99	12k reviews Very Positive	Dungeon CrawlerDark Fantasy
Owlboy 2016	Est. copies ≈ 255k–415k SteamSpy 500k–1M	Est. revenue $1.4M–$3.8M after Steam's cut $2.5M–$5.8M before Steam's cut	$19.99	6k reviews Very Positive	Pixel GraphicsAdventure
Axiom Verge 2015	Est. copies ≈ 324k–526k SteamSpy 200k–500k	Est. revenue $1.8M–$4.8M after Steam's cut $3.2M–$7.4M before Steam's cut	$19.99	7k reviews Very Positive	MetroidvaniaIndie