How many copies did Prime World: Defenders 2 sell?

67k to 108k copies, based on its 2k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Prime World: Defenders 2 make?

Prime World: Defenders 2 is free to play, so there is no copy-sales revenue to estimate.

How big is Prime World: Defenders 2?

Estimated owners: ≈ 67k–108k; from 2k 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 Prime World: Defenders 2 out and predicted the genre from its 8 similar games. Every figure here, including Prime World: Defenders 2's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 4k–54k

best case 134k (Heretic's Fork)

Games like Prime World: Defenders 2

The middle of these games

≈ 4k–54k copies

≈ $26k–$305k after Steam's cut

from ~419 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: Heretic's Fork at ≈ 102k–166k copies, ≈ $280k–$753k after Steam's cut.

What it took to get here

About half the games that made it here had over 80 reviews in their first month; the spread ran 33 to 1k.

Under about 100 in month one, almost nothing recovers.

The genre you'd be entering

Your set: Your set clusters on Card Game (7 of 8) and Tower Defense (7 of 8).
The winners: Winners here lead with Deckbuilding + Tower Defense, priced around $10.
The era: The games you compared span 2013 to 2025, and 1 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
Prime World: Defenders 2013	Est. copies ≈ 67k–108k 2.5x vs typical SteamSpy 200k–500k	Est. revenue $183k–$492k after Steam's cut $333k–$758k before the cut	$9.99	1k reviews Mostly Positive	Tower DefenseStrategy
Nomad Defender 2025	Est. copies ≈ 1k–2k SteamSpy under 20k	Est. revenue Free	Free	50 reviews Very Positive	StrategyCard Game
Shapebreaker - Tower Defense Deckbuilder 2023	Est. copies ≈ 2k–3k SteamSpy under 20k	Est. revenue $2k–$6k after Steam's cut $4k–$9k before the cut	$4.99	65 reviews Very Positive	Tower DefenseStrategy
Tower Tactics: Liberation 2023	Est. copies ≈ 31k–50k 3.0x vs typical SteamSpy 100k–200k	Est. revenue $111k–$298k after Steam's cut $202k–$459k before the cut	$12.99	1k reviews Very Positive	Roguelike Deckbuilder Tower Defense
Heroes of Scene 2015	Est. copies ≈ 33k–53k 1.6x vs typical SteamSpy 100k–200k	Est. revenue Free	Free	673 reviews Mixed	Free to PlayStrategy
Guardians of Holme 2023	Est. copies ≈ 4k–7k SteamSpy under 20k	Est. revenue $15k–$39k after Steam's cut $27k–$60k before the cut	$12.99	165 reviews Mostly Positive	StrategyAdventure
Heretic's Fork 2023	Est. copies ≈ 102k–166k 9.8x vs typical SteamSpy 200k–500k	Est. revenue $280k–$753k after Steam's cut $509k–$1.2M before the cut	$9.99	4k reviews Very Positive	Deckbuilding Tower Defense
Castle Cardians 2021	Est. copies ≈ 3k–5k SteamSpy under 20k	Est. revenue $14k–$37k after Steam's cut $25k–$56k before the cut	$14.99	133 reviews Mostly Positive	StrategyDeckbuilding