How much revenue did Moonstone Island make?

$694k–$1.9M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Moonstone Island sell?

Q: How many copies did Moonstone Island sell?

126k to 205k copies, based on its 5k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 126k–205k; $694k–$1.9M after Steam's cut $1.3M–$2.9M before Steam's cut; from 5k 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 Moonstone Island and predicted how it would do from its 5 similar games. Every figure here, including Moonstone Island's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 14k–72k

best case 152k (Kabuto Park)

Games like Moonstone Island

A typical game among these

≈ 14k–72k copies

≈ $42k–$277k after Steam's cut

from ~436 reviews

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

2 of the 5 similar games are hits.

Best case: Kabuto Park at ≈ 116k–188k copies, ≈ $159k–$426k after Steam's cut.

What their first month looked like

About half the games that made it here had over 258 reviews in their first month; the range was 75 to 2k.

The genre you'd be entering

These games: The similar games share Creature Collector (3 of 5) and Auto Battler (2 of 5).
The winners: Winners here lead with Creature Collector + Nature, priced around $5.
When they shipped: 4 of the 5 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
Kabuto Park 2025	Est. copies ≈ 116k–188k 11x vs typical SteamSpy 20k–50k	Est. revenue $159k–$426k after Steam's cut $288k–$656k before Steam's cut	$4.99	5k reviews Overwhelmingly Positive	CasualCreature Collector
Cat God Ranch 2024	Est. copies ≈ 55k–89k 5.1x vs typical SteamSpy 50k–100k	Est. revenue $150k–$404k after Steam's cut $273k–$621k before Steam's cut	$9.99	2k reviews Very Positive	Card BattlerRoguelike Deckbuilder
NEODUEL: Backpack Monsters 2024	Est. copies ≈ 11k–18k SteamSpy 20k–50k	Est. revenue $36k–$96k after Steam's cut $65k–$147k before Steam's cut	$11.99	436 reviews Very Positive	Resource ManagementRetro
Tower Escape 2023	Est. copies ≈ 10k–17k SteamSpy 20k–50k	Est. revenue $23k–$61k after Steam's cut $41k–$94k before Steam's cut	$7.99	415 reviews Very Positive	Rogue-lite Roguelike Deckbuilder
Time Is Honey 2024	Est. copies ≈ 7k–11k SteamSpy under 20k	Est. revenue $11k–$31k after Steam's cut $21k–$47k before Steam's cut	$5.99	279 reviews Very Positive	Creature CollectorIdler