How much revenue did Dr. Professor Scientist's Weapons Testing Facility make?

$3k–$7k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Dr. Professor Scientist's Weapons Testing Facility sell?

Q: How many copies did Dr. Professor Scientist's Weapons Testing Facility sell?

2k to 3k copies, based on its 77 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 2k–3k; $3k–$7k after Steam's cut $5k–$11k before the cut; from 77 reviews (Very 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 Dr. Professor Scientist's Weapons Testing Facility out and predicted the genre from its 8 similar games. Every figure here, including Dr. Professor Scientist's Weapons Testing Facility's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 146–399

best case 64k (Cavalry Girls)

Games like Dr. Professor Scientist's Weapons Testing Facility

The middle of these games

≈ 146–399 copies

≈ $184–$622 after Steam's cut

from ~8 reviews

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

1 of your 8 similar games is a hit.

Best case: Cavalry Girls at ≈ 49k–80k copies, ≈ $162k–$436k after Steam's cut. A breakout hit, far above a typical game.

What it took to get here

About half the games that made it here had over 7 reviews in their first month; the spread ran 2 to 537.

Under about 100 in month one, almost nothing recovers.

The genre you'd be entering

Your set: Your set clusters on Tower Defense (7 of 8) and Rogue-lite (5 of 8).
The winners: Winners here lead with Survival + Tower Defense, priced around $8. The breakout hits carry Survival + Adventure + Roguelike Deckbuilder; a typical game here doesn't.
The era: 5 of your 8 similar games shipped in the last two years. You'd be launching into a busy stretch.

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 of about 31, 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
Heart Keeper 2025	Est. copies ≈ 99–161 SteamSpy under 20k	Est. revenue $136–$365 after Steam's cut $247–$562 before the cut	$4.99	4 reviews 4 user reviews	Action RoguelikeTower Defense
Turtle Riders 2025	Est. copies ≈ 3k–5k 16x vs typical SteamSpy under 20k	Est. revenue $4k–$12k after Steam's cut $8k–$18k before the cut	$4.99	127 reviews Mostly Positive	ActionSurvival
Turbotz Testing 20XX 2025	Est. copies ≈ 248–403 SteamSpy under 20k	Est. revenue $340–$915 after Steam's cut $619–$1k before the cut	$4.99	10 reviews Positive	ActionCasual
Rogue Station Defense 2024	Est. copies ≈ 149–242 SteamSpy under 20k	Est. revenue $327–$880 after Steam's cut $595–$1k before the cut	$7.99	6 reviews 6 user reviews	StrategyTower Defense
Spellcaster 2022	Est. copies ≈ 99–161 SteamSpy under 20k	Est. revenue $81–$219 after Steam's cut $148–$337 before the cut	$2.99	4 reviews 4 user reviews	ActionShoot 'Em Up
The Sentinel 2023	Est. copies ≈ 322–524 1.6x vs typical SteamSpy under 20k	Est. revenue $87–$236 after Steam's cut $159–$363 before the cut	$0.99	13 reviews Positive	CasualStrategy
Cavalry Girls 2023	Est. copies ≈ 49k–80k 248x vs typical SteamSpy 100k–200k	Est. revenue $162k–$436k after Steam's cut $295k–$670k before the cut	$11.99	2k reviews Very Positive	Top-Down ShooterMechs
36 Nights 2024	Est. copies ≈ 347–564 1.8x vs typical SteamSpy under 20k	Est. revenue $476–$1k after Steam's cut $866–$2k before the cut	$4.99	14 reviews Positive	StrategyTower Defense