How many copies did MilMo sell?

21k to 34k copies, based on its 692 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did MilMo make?

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

How big is MilMo?

Estimated players who have it: ≈ 21k–34k; from 692 reviews (Mostly 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 MilMo and predicted how it would do from its 8 similar games. Every figure here, including MilMo's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 314k–2.7M

best case 15.2M (Fall Guys)

Games like MilMo

A typical game among these

≈ 314k–2.7M copies

≈ $4.1M–$7.7M after Steam's cut

from ~12k 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.

No genre covers most of these similar games. The closest is Platformer (4 of 8), so its genre is hard to place.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: Fall Guys at ≈ 11.6M–18.9M copies.

What their first month looked like

About half the games that made it here had over 1k reviews in their first month; the range was 115 to 144k.

The genre you'd be entering

These games: The similar games share Platformer (4 of 8) and 3D Platformer (2 of 8).
The winners: Winners here lead with Party Game + Battle Royale.
When they shipped: The similar games span 2014 to 2021, and none of them 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 70 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
Stumble Guys 2021	Est. copies ≈ 3.4M–5.6M 11x vs typical SteamSpy 5M–10M	Est. revenue Free	Free	139k reviews Very Positive	Free to PlayBattle Royale
Supraland 2019	Est. copies ≈ 446k–725k SteamSpy 500k–1M	Est. revenue $2.5M–$6.6M after Steam's cut $4.5M–$10.2M before Steam's cut	$19.99	16k reviews Overwhelmingly Positive	Puzzle-PlatformerExploration
Fall Guys 2020	Est. copies ≈ 11.6M–18.9M 39x vs typical SteamSpy 20M–50M	Est. revenue Free	Free	468k reviews Very Positive	MultiplayerParty Game
The LEGO® NINJAGO® Movie Video Game 2017	Est. copies ≈ 280k–456k SteamSpy 1M–2M	Est. revenue $1.5M–$4.1M after Steam's cut $2.8M–$6.4M before Steam's cut	$19.99	8k reviews Very Positive	ActionLEGO
3on3 FreeStyle: Rebound 2020	Est. copies ≈ 110k–179k SteamSpy under 20k	Est. revenue Free	Free	4k reviews Mixed	BasketballTeam-Based
A Story About My Uncle 2014	Est. copies ≈ 1.6M–2.7M 2.4x vs typical SteamSpy 5M–10M	Est. revenue $6.8M–$18.2M after Steam's cut $12.3M–$27.9M before Steam's cut	$14.99	29k reviews Very Positive	AdventureFirst-Person
Sonic Forces 2017	Est. copies ≈ 298k–485k SteamSpy 500k–1M	Est. revenue $3.3M–$8.8M after Steam's cut $6.0M–$13.6M before Steam's cut	$39.99	9k reviews Mixed	Great Soundtrack3D Platformer
NEW SCUFFED EPIC BHOP SIMULATOR 2023 (POG CHAMP) 2020	Est. copies ≈ 116k–189k SteamSpy 50k–100k	Est. revenue Free	Free	5k reviews Very Positive	CasualAction