How many copies did Grow Defense sell?

15k to 24k copies, based on its 606 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Grow Defense make?

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

How big is Grow Defense?

Estimated owners: ≈ 15k–24k; from 606 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 Grow Defense out and predicted the genre from its 8 similar games. Every figure here, including Grow Defense's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 16k–106k

best case 1.2M (Mountain)

Games like Grow Defense

The middle of these games

≈ 16k–106k copies

≈ $25k–$103k after Steam's cut

from ~839 reviews

Only the top fifth of 2019’s Steam releases earned about $34k gross, so plan for that or less.

2 of your 8 similar games are hits.

Best case: Mountain at ≈ 912k–1.5M copies, ≈ $248k–$668k after Steam's cut.

What it took to get here

About half the games that made it here had over 376 reviews in their first month; the spread ran 180 to 563.

The genre you'd be entering

Your set: Your set clusters on Idler (5 of 8) and Tower Defense (5 of 8).
The winners: Winners here lead with Simulation + God Game, priced around $1.
The era: The games you compared span 2014 to 2025, and 3 of your 8 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
Idle Monster TD 2021	Est. copies ≈ 21k–34k SteamSpy 100k–200k	Est. revenue Free	Free	856 reviews Mostly Positive	StrategyTower Defense
Time Clickers 2015	Est. copies ≈ 250k–407k 6.1x vs typical SteamSpy 500k–1M	Est. revenue Free	Free	5k reviews Very Positive	ClickerFree to Play
Space Cycle 2024	Est. copies ≈ 5k–8k SteamSpy under 20k	Est. revenue $3k–$7k after Steam's cut $5k–$11k before the cut	$1.99	193 reviews Very Positive	Rogue-lite Tower Defense
Doom Sweeper 2024	Est. copies ≈ 20k–33k SteamSpy 50k–100k	Est. revenue $28k–$75k after Steam's cut $51k–$116k before the cut	$4.99	822 reviews Mostly Positive	Action RoguelikeHack and Slash
miniBONG 2023	Est. copies ≈ 24k–39k SteamSpy 200k–500k	Est. revenue $65k–$176k after Steam's cut $119k–$270k before the cut	$9.99	959 reviews Very Positive	CasualIdler
最后的仙门 The last Practice Sect 2022	Est. copies ≈ 13k–21k SteamSpy 100k–200k	Est. revenue $14k–$39k after Steam's cut $26k–$60k before the cut	$3.99	529 reviews Mixed	IdlerClicker
All Aboard! The Train Defense Express 2025	Est. copies ≈ 9k–15k SteamSpy under 20k	Est. revenue $13k–$35k after Steam's cut $24k–$54k before the cut	$4.99	381 reviews Very Positive	Early AccessAuto Battler
Mountain 2014	Est. copies ≈ 912k–1.5M 19x vs typical SteamSpy 500k–1M	Est. revenue $248k–$668k after Steam's cut $452k–$1.0M before the cut	$0.99	16k reviews Very Positive	SimulationIndie