How many copies did Let It Flow sell?

18k to 30k copies, based on its 739 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Let It Flow make?

Let It Flow is free to play, so there is no copy-sales revenue to estimate.

How big is Let It Flow?

Estimated owners: ≈ 18k–30k; from 739 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 Let It Flow out and predicted the genre from its 4 similar games. Every figure here, including Let It Flow's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 269k–724k

best case 1.4M (Trailmakers)

The Action-Adventure genre

All 4 of your similar games are hits. A healthy genre for a game like yours.

From a small set, so take it as a sketch.

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

A typical game

≈ 269k–724k copies

≈ $224k–$7.7M after Steam's cut

from ~11k reviews

Best case

≈ 1.1M–1.8M copies

Trailmakers · ≈ $7.4M–$20.0M after Steam's cut

The genre you'd be entering

Your set: Your set clusters on Action-Adventure (2 of 4) and Racing (2 of 4).
The winners: Winners here lead with Space + Action-Adventure, priced around $25.
The era: None of the games you compared shipped in the last two years; the newest is from 2021. That says more about your picks than about the market, so add newer similar games to read the timing.

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

Similar games

Game	Est. copies	Est. revenue	Price	Reviews	Tags
Need for Speed™ Hot Pursuit Remastered 2020	Est. copies ≈ 375k–609k SteamSpy 1M–2M	Est. revenue $3.1M–$8.3M after Steam's cut $5.6M–$12.8M before the cut	$29.99	14k reviews Very Positive	RacingDriving
SUPER CHICKEN JUMPER 2021	Est. copies ≈ 133k–216k SteamSpy 100k–200k	Est. revenue $109k–$294k after Steam's cut $199k–$452k before the cut	$2.99	5k reviews Overwhelmingly Positive	DifficultArcade
Kao the Kangaroo: Round 2 (2003 re-release) 2019	Est. copies ≈ 229k–372k SteamSpy 500k–1M	Est. revenue $125k–$337k after Steam's cut $228k–$519k before the cut	$1.99	8k reviews Very Positive	Adventure3D Platformer
Trailmakers 2019	Est. copies ≈ 1.1M–1.8M 3.4x vs typical SteamSpy 1M–2M	Est. revenue $7.4M–$20.0M after Steam's cut $13.5M–$30.7M before the cut	$24.99	38k reviews Very Positive	SpaceAction