How many copies did NGU IDLE sell?

370k to 602k copies, based on its 13k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did NGU IDLE make?

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

How big is NGU IDLE?

Estimated owners: ≈ 370k–602k; from 13k reviews (Overwhelmingly 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 NGU IDLE out and predicted the genre from its 8 similar games. Every figure here, including NGU IDLE's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 700k–921k

best case 3.8M (Clicker Heroes)

The Clicker 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

≈ 700k–921k copies

≈ $425k after Steam's cut

from ~17k reviews

Best case

≈ 2.9M–4.7M copies

Clicker Heroes

A breakout hit, far above a typical game.

The genre you'd be entering

Your set: Your set clusters on Clicker (7 of 8) and Idler (6 of 8).
The winners: Winners here lead with Clicker + Idler, priced around $1. The breakout hits carry Management + Capitalism + Automation; a typical game here doesn't.
The era: The games you compared span 2014 to 2025, 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
Leaf Blower Revolution - Idle Game 2020	Est. copies ≈ 696k–1.1M 1.5x vs typical SteamSpy 1M–2M	Est. revenue Free	Free	26k reviews Very Positive	IdlerClicker
Idle Champions of the Forgotten Realms 2020	Est. copies ≈ 396k–644k SteamSpy 1M–2M	Est. revenue Free	Free	15k reviews Mostly Positive	Dungeons & DragonsFree to Play
AdVenture Capitalist 2015	Est. copies ≈ 2.8M–4.5M 3.5x vs typical SteamSpy 5M–10M	Est. revenue Free	Free	60k reviews Very Positive	ClickerIdler
Mr.Mine 2020	Est. copies ≈ 489k–795k SteamSpy 500k–1M	Est. revenue Free	Free	19k reviews Very Positive	IdlerClicker
IdleOn 2025	Est. copies ≈ 704k–1.1M 1.7x vs typical SteamSpy 1M–2M	Est. revenue Free	Free	29k reviews Mostly Positive	IdlerPixel Graphics
Clicker Heroes 2015	Est. copies ≈ 2.9M–4.7M 3.6x vs typical SteamSpy 5M–10M	Est. revenue Free	Free	62k reviews Very Positive	ClickerIdler
Mountain 2014	Est. copies ≈ 847k–1.4M SteamSpy 500k–1M	Est. revenue $231k–$620k after Steam's cut $419k–$954k before the cut	$0.99	16k reviews Very Positive	SimulationIndie
Sakura Clicker 2015	Est. copies ≈ 665k–1.1M SteamSpy 1M–2M	Est. revenue Free	Free	14k reviews Very Positive	NudityFree to Play