How much revenue did Moonstone Island make?

$685k–$1.8M 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?

125k to 202k copies, based on its 5k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 125k–202k; $685k–$1.8M after Steam's cut $1.2M–$2.8M before the cut; from 5k reviews (Very 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 Moonstone Island out and predicted the genre from its 5 similar games. Every figure here, including Moonstone Island's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 13k–71k

best case 149k (Kabuto Park)

Games like Moonstone Island

The middle of these games

≈ 13k–71k copies

≈ $42k–$276k after Steam's cut

from ~434 reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

2 of your 5 similar games are hits.

Best case: Kabuto Park at ≈ 113k–184k copies, ≈ $155k–$418k after Steam's cut.

What it took to get here

About half the games that made it here had over 257 reviews in their first month; the spread ran 75 to 2k.

The genre you'd be entering

Your set: Your set clusters on Creature Collector (3 of 5) and Auto Battler (2 of 5).
The winners: Winners here lead with Creature Collector + Nature, priced around $5.
The era: 4 of your 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 ≈ 113k–184k 11x vs typical SteamSpy 20k–50k	Est. revenue $155k–$418k after Steam's cut $283k–$643k before the cut	$4.99	5k reviews Overwhelmingly Positive	CasualCreature Collector
Cat God Ranch 2024	Est. copies ≈ 54k–88k 5.1x vs typical SteamSpy 50k–100k	Est. revenue $150k–$402k after Steam's cut $272k–$619k before the cut	$9.99	2k reviews Very Positive	Card BattlerRoguelike Deckbuilder
NEODUEL: Backpack Monsters 2024	Est. copies ≈ 11k–17k SteamSpy 20k–50k	Est. revenue $35k–$95k after Steam's cut $65k–$147k before the cut	$11.99	434 reviews Very Positive	Resource ManagementRetro
Tower Escape 2023	Est. copies ≈ 10k–17k SteamSpy 20k–50k	Est. revenue $23k–$61k after Steam's cut $41k–$93k before the cut	$7.99	414 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 the cut	$5.99	280 reviews Very Positive	Creature CollectorIdler