How many copies did Idle Monster TD sell?

An estimated 21k to 34k copies, based on its 853 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Idle Monster TD make?

Idle Monster TD is free to play, so there is no copy-sales revenue to estimate.

How big is Idle Monster TD?

Estimated owners: ≈ 21k–34k; from 853 reviews (Mostly 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 Idle Monster TD out and predicted the genre from its 8 similar games. Every figure here, including Idle Monster TD's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 17k–116k

best case 312k (Time Clickers)

The Tower Defense lane

A niche genre: modest ceilings, most sell around 23k copies, so plan for a small audience.

A typical game

≈ 23k copies

≈ $50k after Steam's cut

from ~713 reviews

Best case

≈ 312k copies

Time Clickers

from 5k reviews

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 Clicker + Free to Play, priced around $5.
4 of your 8 similar games shipped in the last two years, so this niche is actively shipping.
A typical game here lands in Silver ($10k–$250k before Steam's cut, est.). Tiers: Chris Zukowski's benchmark tiers.

Similar games

Game	Price	Reviews	Tags	Est. copies	Est. revenue
Space Cycle 2024	Est. copies ≈ 5k–8k SteamSpy 0–20k	Est. revenue $3k–$7k net $5k–$11k gross	$1.99	194 reviews Very Positive	Rogue-liteTower Defense +6
Samawa Idle 2023	Est. copies ≈ 15k–24k SteamSpy 100k–200k	Est. revenue $20k–$54k net $37k–$83k gross	$4.99	610 reviews Mixed	ClickerIdler +6
The Perfect Tower II 2025	Est. copies ≈ 105k–170k 6.1x vs typical SteamSpy 200k–500k	Est. revenue Free	Free	4k reviews Very Positive	StrategyIdler +6
Time Clickers 2015	Est. copies ≈ 237k–386k 7.2x vs typical SteamSpy 500k–1M	Est. revenue Free	Free	5k reviews Very Positive	ClickerFree to Play +6
Doom Sweeper 2024	Est. copies ≈ 20k–32k SteamSpy 50k–100k	Est. revenue $27k–$72k net $49k–$111k gross	$4.99	816 reviews Mostly Positive	Action RoguelikeHack and Slash +6
Legendary Hoplite 2024	Est. copies ≈ 9k–15k SteamSpy 50k–100k	Est. revenue $38k–$101k net $69k–$156k gross	$14.99	381 reviews Mixed	Strategy RPGRogue-lite +6
Grow Defense 2021	Est. copies ≈ 15k–24k SteamSpy 200k–500k	Est. revenue Free	Free	606 reviews Mostly Positive	CasualIdler +6
Screeps: World 2016	Est. copies ≈ 83k–135k 2.9x vs typical SteamSpy 200k–500k	Est. revenue $458k–$1.2M net $832k–$1.9M gross	$19.99	2k reviews Very Positive	ProgrammingStrategy +6