How many copies did Dungeon Defenders II sell?

763k to 1.2M copies, based on its 22k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Dungeon Defenders II make?

Dungeon Defenders II is free to play, so there is no copy-sales revenue to estimate.

How big is Dungeon Defenders II?

Estimated players who have it: ≈ 763k–1.2M; from 22k reviews (Mostly Positive)

Copies are estimated from the public review count, adjusted for release year, and cross-checked against SteamSpy's own estimate.

Did the prediction match what actually happened?

We hid Dungeon Defenders II and predicted how it would do from its 8 similar games. Every figure here, including Dungeon Defenders II's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 415–31k

best case 1.6M (Dungeon Defenders)

Games like Dungeon Defenders II

A typical game among these

≈ 415–31k copies

≈ $1k–$138k after Steam's cut

from ~112 reviews

Only the top fifth of 2019's Steam releases earned $34k or more before Steam's cut, so plan for that or less.

2 of the 8 similar games are hits.

Best case: Dungeon Defenders at ≈ 1.2M–2.0M copies, ≈ $5.0M–$13.3M after Steam's cut.

What their first month looked like

About half the games that made it here had over 23 reviews in their first month; the range was 2 to 245.

Games with under about 100 reviews in month one almost never recover.

The genre you'd be entering

These games: The similar games share Tower Defense (8 of 8) and Survival (5 of 8).
The winners: Winners here lead with Tower Defense + Survival, priced around $15.
When they shipped: 4 of the 8 similar games shipped in the last two years, so this genre is actively shipping.

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
Escape From The Red Planet 2023	Est. copies ≈ 322–524 SteamSpy under 20k	Est. revenue $530–$1k after Steam's cut $964–$2k before Steam's cut	$5.99	13 reviews Mixed	IndieStrategy
ThroneForge - The Fortress War 2025	Est. copies ≈ 248–403 SteamSpy under 20k	Est. revenue $136–$365 after Steam's cut $247–$561 before Steam's cut	$1.99	10 reviews Mixed	Tower DefenseStrategy
Mighty Castles 2022	Est. copies ≈ 298–484 SteamSpy under 20k	Est. revenue $819–$2k after Steam's cut $1k–$3k before Steam's cut	$9.99	12 reviews Mostly Negative	RPGZombies
Legendary Hoplite 2024	Est. copies ≈ 9k–15k 3.4x vs typical SteamSpy 50k–100k	Est. revenue $39k–$105k after Steam's cut $71k–$162k before Steam's cut	$14.99	382 reviews Mixed	Strategy RPGRogue-lite
Prime World: Defenders 2013	Est. copies ≈ 67k–108k 9.4x vs typical SteamSpy 200k–500k	Est. revenue $183k–$492k after Steam's cut $333k–$758k before Steam's cut	$9.99	1k reviews Mostly Positive	Tower DefenseStrategy
Dungeon Defenders 2011	Est. copies ≈ 1.2M–2.0M 170x vs typical SteamSpy 2M–5M	Est. revenue $5.0M–$13.3M after Steam's cut $9.0M–$20.5M before Steam's cut	$14.99	19k reviews Very Positive	MultiplayerOnline Co-Op
The Monarch 2024	Est. copies ≈ 3k–4k SteamSpy 20k–50k	Est. revenue $4k–$10k after Steam's cut $6k–$15k before Steam's cut	$4.99	104 reviews Mostly Positive	Tower Defense Survival
Chrysalis 2024	Est. copies ≈ 3k–5k SteamSpy under 20k	Est. revenue $8k–$22k after Steam's cut $15k–$34k before Steam's cut	$9.99	120 reviews Very Positive	Tower Defense Rogue-like