How many copies did Transformice sell?

An estimated 1.3M to 2.2M copies, based on its 29k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Transformice make?

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

How big is Transformice?

Estimated owners: ≈ 1.3M–2.2M; from 29k 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 Transformice out and predicted the genre from its 8 similar games. Every figure here, including Transformice's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 20.6M–40.2M

best case 123.2M (PUBG: BATTLEGROUNDS)

The Multiplayer lane

A big, proven genre, though hit-driven: most sell around 25.5M copies, while a few break out far above.

A typical game

≈ 25.5M copies

≈ $143.0M after Steam's cut

from ~659k reviews

Best case

≈ 123.2M copies

PUBG: BATTLEGROUNDS

from 2.7M reviews

A breakout hit, far above a typical game.

7 of your 8 games sit in the typical range; 1 is a breakout hit far above it.

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

Winners here lead with Survival + Shooter, priced around $14.
The breakout hits carry Shooter + PvP + Battle Royale; a typical game here doesn't.
The games you compared span 2013 to 2020, a lane with a long track record.
A typical game here lands in Diamond ($1M+ before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

Similar games

Game	Price	Reviews	Tags	Est. copies	Est. revenue
Warframe 2013	Est. copies ≈ 34.8M–56.5M SteamSpy 20M–50M	Est. revenue Free	Free	669k reviews Very Positive	Free to PlayAction RPG +6
Fall Guys 2020	Est. copies ≈ 12.4M–20.1M SteamSpy 20M–50M	Est. revenue Free	Free	469k reviews Very Positive	MultiplayerParty Game +6
Unturned 2017	Est. copies ≈ 19.4M–31.5M SteamSpy 50M–100M	Est. revenue Free	Free	564k reviews Very Positive	Free to PlaySurvival +6
Bloons TD 6 2018	Est. copies ≈ 11.9M–19.3M SteamSpy 2M–5M	Est. revenue $45.6M–$122.7M net $83.0M–$188.7M gross	$13.99	390k reviews Overwhelmingly Positive	Tower DefenseStrategy +6
ARK: Survival Evolved 2017	Est. copies ≈ 26.5M–43.1M SteamSpy 20M–50M	Est. revenue $109.4M–$294.2M net $199.0M–$452.6M gross	$14.99	772k reviews Very Positive	Open World Survival CraftSurvival +6
PUBG: BATTLEGROUNDS 2017	Est. copies ≈ 93.9M–152.6M 4.1x vs typical SteamSpy 100M–200M	Est. revenue Free	Free	2.7M reviews Mixed	SurvivalShooter +6
War Thunder 2013	Est. copies ≈ 39.8M–64.7M SteamSpy 20M–50M	Est. revenue Free	Free	765k reviews Mostly Positive	Free to PlaySimulation +6
Destiny 2 2019	Est. copies ≈ 19.0M–30.8M SteamSpy 20M–50M	Est. revenue Free	Free	659k reviews Mostly Positive	Free to PlayOpen World +6