How much revenue did Zombie Apocalypse - The Last Defense make?

$122–$326 after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Zombie Apocalypse - The Last Defense sell?

Q: How many copies did Zombie Apocalypse - The Last Defense sell?

446 to 725 copies, based on its 18 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 446–725; $122–$326 after Steam's cut $221–$502 before the cut; from 18 reviews (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 Zombie Apocalypse - The Last Defense out and predicted the genre from its 8 similar games. Every figure here, including Zombie Apocalypse - The Last Defense's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 7.4M–13.0M

best case 13.0M (7 Days to Die)

Games like Zombie Apocalypse - The Last Defense

The middle of these games

≈ 7.4M–13.0M copies

≈ $23.7M–$125.6M after Steam's cut

from ~155k reviews

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

3 of your 8 similar games are hits.

Best case: 7 Days to Die at ≈ 9.9M–16.1M copies, ≈ $122.7M–$330.0M after Steam's cut.

What it took to get here

About half the games that made it here had over 392 reviews in their first month; the spread ran 61 to 327k.

The genre you'd be entering

Your set: Your set clusters on Zombies (7 of 8) and Tower Defense (5 of 8).
The winners: Winners here lead with Survival + Zombies, priced around $45.
The era: The games you compared span 2009 to 2024, and 2 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 79 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
SwarmZ 2019	Est. copies ≈ 12k–19k too small to compare SteamSpy 100k–200k	Est. revenue $16k–$44k after Steam's cut $30k–$67k before the cut	$4.99	411 reviews Mixed	StrategySimulation
VERSUS SQUAD 2016	Est. copies ≈ 24k–39k too small to compare SteamSpy 100k–200k	Est. revenue $53k–$144k after Steam's cut $97k–$221k before the cut	$7.99	584 reviews Mostly Positive	ActionGore
7 Days to Die 2024	Est. copies ≈ 9.9M–16.1M 2.6x vs typical SteamSpy 10M–20M	Est. revenue $122.7M–$330.0M after Steam's cut $223.1M–$507.7M before the cut	$44.99	400k reviews Very Positive	SurvivalZombies
Decision: Red Daze 2022	Est. copies ≈ 22k–36k too small to compare SteamSpy 20k–50k	Est. revenue $123k–$331k after Steam's cut $224k–$509k before the cut	$19.99	903 reviews Mostly Positive	SurvivalAction
Doom Sweeper 2024	Est. copies ≈ 20k–33k too small to compare 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
Plants vs. Zombies GOTY Edition 2009	Est. copies ≈ 9.8M–16.0M SteamSpy 2M–5M	Est. revenue $13.5M–$36.2M after Steam's cut $24.5M–$55.8M before the cut	$4.99	155k reviews Overwhelmingly Positive	Tower DefenseZombies
They Are Billions 2019	Est. copies ≈ 1.5M–2.4M SteamSpy 2M–5M	Est. revenue $12.2M–$32.8M after Steam's cut $22.2M–$50.5M before the cut	$29.99	51k reviews Very Positive	Base-BuildingColony Sim
They Are Coming 2023	Est. copies ≈ 16k–26k too small to compare SteamSpy 20k–50k	Est. revenue $13k–$35k after Steam's cut $23k–$53k before the cut	$2.99	633 reviews Very Positive	Early AccessIndie