How much revenue did MOUTHOLE make?

MOUTHOLE is free to play, so there is no copy-sales revenue to estimate.

How many copies did MOUTHOLE sell?

Q: How many copies did MOUTHOLE sell?

5k to 8k copies, based on its 209 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 5k–8k; from 209 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 MOUTHOLE out and predicted the genre from its 8 similar games. Every figure here, including MOUTHOLE's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 648k–774k

best case 2.1M (Core Keeper)

The Story Rich genre

All 8 of your similar games are hits. A healthy genre for a game like yours.

A hit here: 1,000+ reviews, roughly $150k+ before Steam's cut (a standard indie benchmark).

A typical game

≈ 648k–774k copies

≈ $1.0M–$4.5M after Steam's cut

from ~16k reviews

Best case

≈ 1.6M–2.6M copies

Core Keeper · ≈ $8.6M–$23.2M after Steam's cut

A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Story Rich (4 of 8) and Exploration (3 of 8).
The winners: Winners here lead with Open World Survival Craft + Sandbox, priced around $20. The breakout hits carry Open World Survival Craft + Online Co-Op + Sandbox; a typical game here doesn't.
The era: The games you compared span 2013 to 2024, a genre with a long track record.

Copies and revenue are rough lifetime estimates from the review count.

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Dome Keeper 2022	Est. copies ≈ 521k–847k SteamSpy 2M–5M	Est. revenue $2.6M–$6.9M after Steam's cut $4.7M–$10.7M before the cut	$17.99	22k reviews Very Positive	SingleplayerPost-apocalyptic
Core Keeper 2024	Est. copies ≈ 1.6M–2.6M 4.0x vs typical SteamSpy 1M–2M	Est. revenue $8.6M–$23.2M after Steam's cut $15.7M–$35.7M before the cut	$19.99	65k reviews Very Positive	Pixel GraphicsOpen World Survival Craft
ANIMAL WELL 2024	Est. copies ≈ 583k–947k 1.5x vs typical SteamSpy 200k–500k	Est. revenue $4.0M–$10.8M after Steam's cut $7.3M–$16.6M before the cut	$24.99	24k reviews Overwhelmingly Positive	MetroidvaniaExploration
FEZ 2013	Est. copies ≈ 841k–1.4M SteamSpy 1M–2M	Est. revenue $2.3M–$6.2M after Steam's cut $4.2M–$9.6M before the cut	$9.99	16k reviews Very Positive	PlatformerIndie
Shower With Your Dad Simulator 2015: Do You Still Shower With Your Dad 2015	Est. copies ≈ 465k–756k SteamSpy 100k–200k	Est. revenue $127k–$341k after Steam's cut $230k–$524k before the cut	$0.99	10k reviews Overwhelmingly Positive	Arcade2D
Impostor Factory 2021	Est. copies ≈ 316k–514k SteamSpy 500k–1M	Est. revenue $868k–$2.3M after Steam's cut $1.6M–$3.6M before the cut	$9.99	13k reviews Overwhelmingly Positive	Story RichEmotional
The Test 2020	Est. copies ≈ 532k–864k SteamSpy 500k–1M	Est. revenue $291k–$782k after Steam's cut $529k–$1.2M before the cut	$1.99	20k reviews Overwhelmingly Positive	Choose Your Own AdventureSimulation
DISTRAINT: Deluxe Edition 2015	Est. copies ≈ 597k–969k SteamSpy 2M–5M	Est. revenue $819k–$2.2M after Steam's cut $1.5M–$3.4M before the cut	$4.99	13k reviews Very Positive	IndiePsychological Horror