How much revenue did DG2: Defense Grid 2 make?

$533k–$1.4M after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did DG2: Defense Grid 2 sell?

Q: How many copies did DG2: Defense Grid 2 sell?

194k to 315k copies, based on its 3k Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 194k–315k; $533k–$1.4M after Steam's cut $969k–$2.2M before Steam's cut; from 3k reviews (Very 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 DG2: Defense Grid 2 and predicted how it would do from its 8 similar games. Every figure here, including DG2: Defense Grid 2's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 158k–235k

best case 499k (Legion TD 2 - Multiplayer Tower Defense)

Games like DG2: Defense Grid 2

A typical game among these

≈ 158k–235k copies

≈ $901k–$1.3M after Steam's cut

from ~4k reviews

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

All 8 of the similar games are hits.

These similar games lean toward the genre's biggest winners; the typical figure comes from its ordinary successes.

Best case: Legion TD 2 - Multiplayer Tower Defense at ≈ 380k–617k copies, ≈ $2.6M–$7.0M after Steam's cut. It is a breakout hit, far above a typical game.

What their first month looked like

About half the games that made it here had over 5k reviews in their first month; the range was 2k to 10k.

The genre you'd be entering

These games: The similar games share Tower Defense (8 of 8) and Co-op (5 of 8).
The winners: Winners here lead with Tower Defense, priced around $20. The breakout hits carry Online Co-Op; a typical game here doesn't.
When they shipped: The similar games span 2011 to 2024, and 1 of the 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
Sanctum 2011	Est. copies ≈ 213k–345k SteamSpy 1M–2M	Est. revenue $584k–$1.6M after Steam's cut $1.1M–$2.4M before Steam's cut	$9.99	3k reviews Very Positive	Tower Defense FPS
Sanctum 2 2013	Est. copies ≈ 910k–1.5M 3.7x vs typical SteamSpy 2M–5M	Est. revenue $3.7M–$10.1M after Steam's cut $6.8M–$15.5M before Steam's cut	$14.99	14k reviews Very Positive	Tower Defense FPS
Legion TD 2 - Multiplayer Tower Defense 2021	Est. copies ≈ 380k–617k 4.0x vs typical SteamSpy 1M–2M	Est. revenue $2.6M–$7.0M after Steam's cut $4.7M–$10.8M before Steam's cut	$24.99	15k reviews Very Positive	Tower DefenseMultiplayer
ENDLESS Dungeon™ - Definitive Edition 2023	Est. copies ≈ 95k–155k SteamSpy 200k–500k	Est. revenue $393k–$1.1M after Steam's cut $715k–$1.6M before Steam's cut	$14.99	4k reviews Mixed	ActionTower Defense
Outpost: Infinity Siege 2024	Est. copies ≈ 338k–550k 3.5x vs typical SteamSpy 200k–500k	Est. revenue $2.3M–$6.2M after Steam's cut $4.2M–$9.6M before Steam's cut	$24.99	14k reviews Mixed	Robots3D
AI War 2 2019	Est. copies ≈ 45k–73k too small to compare SteamSpy 200k–500k	Est. revenue $247k–$665k after Steam's cut $450k–$1.0M before Steam's cut	$19.99	2k reviews Very Positive	4X Grand Strategy
Dungeon of the ENDLESS™ 2014	Est. copies ≈ 787k–1.3M 3.7x vs typical SteamSpy 1M–2M	Est. revenue $2.6M–$7.0M after Steam's cut $4.7M–$10.7M before Steam's cut	$11.99	14k reviews Very Positive	Rogue-likeStrategy
X-Morph: Defense 2017	Est. copies ≈ 146k–237k SteamSpy 200k–500k	Est. revenue $803k–$2.2M after Steam's cut $1.5M–$3.3M before Steam's cut	$19.99	4k reviews Very Positive	Tower DefenseStrategy