How many copies did Alien Swarm: Reactive Drop sell?

An estimated 813k to 1.3M copies, based on its 24k Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Alien Swarm: Reactive Drop make?

Alien Swarm: Reactive Drop is free to play, so there is no copy-sales revenue to estimate.

How big is Alien Swarm: Reactive Drop?

Estimated owners: ≈ 813k–1.3M; from 24k 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 Alien Swarm: Reactive Drop out and predicted the genre from its 8 similar games. Every figure here, including Alien Swarm: Reactive Drop's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 59k–111k

best case 793k (The Ascent)

The Rogue-lite lane

A niche genre: modest ceilings, most sell around 99k copies, so plan for a small audience.

A typical game

≈ 99k copies

≈ $259k after Steam's cut

from ~2k reviews

Best case

≈ 793k copies

The Ascent · ≈ $9.2M after Steam's cut

from 24k reviews

A breakout hit, far above a typical game.

7 of your 8 games sit in the typical range; 1 is a breakout hit far above it.

Copies and revenue are rough lifetime estimates from the review count; typical figures are medians per column, so they can come from different games.

The lane you'd be entering

Winners here lead with Top-Down Shooter + Cyberpunk, priced around $30.
The breakout hits carry Cyberpunk + RPG + Co-op; a typical game here doesn't.
The games you compared span 2006 to 2024, a lane with a long track record.
A typical game here lands in Gold ($250k–$1M before Steam's cut, est.); the best case reaches Diamond ($1M+). Tiers: Chris Zukowski's benchmark tiers.

Similar games

Game	Price	Reviews	Tags	Est. copies	Est. revenue
Skillshot City 2017	Est. copies ≈ 112k–182k 1.7x vs typical SteamSpy 0–20k	Est. revenue Free	Free	3k reviews Very Positive	Battle RoyaleRogue-lite +6
The Ascent 2021	Est. copies ≈ 604k–982k 13x vs typical SteamSpy 1M–2M	Est. revenue $5.0M–$13.4M net $9.1M–$20.6M gross	$29.99	24k reviews Mostly Positive	Top-Down ShooterCyberpunk +6
Shadowgrounds 2006	Est. copies ≈ 84k–137k SteamSpy 200k–500k	Est. revenue $162k–$435k net $294k–$669k gross	$6.99	2k reviews Very Positive	Top-Down ShooterSci-fi +6
Hell is Others 2022	Est. copies ≈ 28k–45k SteamSpy 500k–1M	Est. revenue $115k–$309k net $209k–$475k gross	$14.99	1k reviews Mostly Positive	Rogue-likeTop-Down +6
SYNTHETIK 2 2021	Est. copies ≈ 85k–138k 1.8x vs typical SteamSpy 500k–1M	Est. revenue $467k–$1.3M net $848k–$1.9M gross	$19.99	3k reviews Very Positive	Early AccessRogue-lite +6
Touhou Endless Dream 2021	Est. copies ≈ 47k–76k SteamSpy 0–20k	Est. revenue $103k–$276k net $186k–$424k gross	$7.99	2k reviews Very Positive	CasualAnime +6
Blazing Beaks 2019	Est. copies ≈ 75k–123k SteamSpy 0–20k	Est. revenue $311k–$836k net $565k–$1.3M gross	$14.99	3k reviews Very Positive	Pixel GraphicsAction Roguelike +6
NIMRODS 2024	Est. copies ≈ 44k–71k SteamSpy 200k–500k	Est. revenue $120k–$321k net $217k–$494k gross	$9.99	2k reviews Very Positive	Early Access2D +6