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) 15k–100k

best case 1.1M (Mountain)

The Idler genre

2 of your 8 similar games are hits. A niche genre: plan for a small audience.

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

A typical game

≈ 15k–100k copies

≈ $23k–$99k after Steam's cut

from ~836 reviews

Best case

≈ 847k–1.4M copies

Mountain · ≈ $231k–$620k after Steam's cut

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, 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
Idle Monster TD 2021	Est. copies ≈ 21k–34k SteamSpy 100k–200k	Est. revenue Free	Free	853 reviews Mostly Positive	StrategyTower Defense
Time Clickers 2015	Est. copies ≈ 237k–386k 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	194 reviews Very Positive	Rogue-lite Tower Defense
Doom Sweeper 2024	Est. copies ≈ 20k–32k SteamSpy 50k–100k	Est. revenue $27k–$73k after Steam's cut $49k–$112k before the cut	$4.99	819 reviews Mostly Positive	Action RoguelikeHack and Slash
miniBONG 2023	Est. copies ≈ 23k–37k SteamSpy 200k–500k	Est. revenue $63k–$168k after Steam's cut $114k–$259k before the cut	$9.99	949 reviews Very Positive	CasualIdler
最后的仙门 The last Practice Sect 2022	Est. copies ≈ 13k–21k SteamSpy 100k–200k	Est. revenue $14k–$37k after Steam's cut $25k–$58k 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 $12k–$33k after Steam's cut $22k–$51k before the cut	$4.99	374 reviews Very Positive	Early AccessAuto Battler
Mountain 2014	Est. copies ≈ 847k–1.4M 19x vs typical SteamSpy 500k–1M	Est. revenue $231k–$620k after Steam's cut $419k–$954k before the cut	$0.99	16k reviews Very Positive	SimulationIndie