How many copies did Vaccine19 sell?

2k to 3k copies, based on its 78 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Vaccine19 make?

Vaccine19 is free to play, so there is no copy-sales revenue to estimate.

How big is Vaccine19?

Estimated players who have it: ≈ 2k–3k; from 78 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 Vaccine19 and predicted how it would do from its 8 similar games. Every figure here, including Vaccine19's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 697k–1.8M

best case 2.2M (SUPERHOT)

Games like Vaccine19

A typical game among these

≈ 697k–1.8M copies

≈ $4.4M–$10.1M after Steam's cut

from ~16k reviews

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

4 of the 8 similar games are hits.

Best case: SUPERHOT at ≈ 1.7M–2.8M copies, ≈ $11.7M–$31.4M after Steam's cut.

What their first month looked like

About half the games that made it here had over 8 reviews in their first month; the range was 6 to 3k.

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

The genre you'd be entering

These games: The similar games share Bullet Time (8 of 8) and FPS (6 of 8).
The winners: Winners here lead with FPS + Bullet Time, priced around $25.
When they shipped: The similar games span 2009 to 2025, and 2 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
SUPERHOT 2016	Est. copies ≈ 1.7M–2.8M 2.5x vs typical SteamSpy 1M–2M	Est. revenue $11.7M–$31.4M after Steam's cut $21.2M–$48.2M before Steam's cut	$24.99	41k reviews Very Positive	ActionFPS
GunFu Fighter 2023	Est. copies ≈ 893–1k too small to compare SteamSpy 50k–100k	Est. revenue $1k–$3k after Steam's cut $2k–$5k before Steam's cut	$4.99	36 reviews Mostly Positive	FPSBullet Time
Time Hacker 2025	Est. copies ≈ 868–1k too small to compare SteamSpy under 20k	Est. revenue $4k–$10k after Steam's cut $7k–$15k before Steam's cut	$14.99	35 reviews Mostly Positive	VRBullet Time
SUPERHOT: MIND CONTROL DELETE 2020	Est. copies ≈ 318k–516k SteamSpy 1M–2M	Est. revenue $2.2M–$5.9M after Steam's cut $4.0M–$9.0M before Steam's cut	$24.99	13k reviews Very Positive	FPSTime Manipulation
F.E.A.R. 2010	Est. copies ≈ 1.2M–2.0M SteamSpy 1M–2M	Est. revenue $3.4M–$9.1M after Steam's cut $6.2M–$14.1M before Steam's cut	$9.99	20k reviews Very Positive	Horror FPS
Temporal Gunslinger 2025	Est. copies ≈ 298–484 too small to compare SteamSpy 50k–100k	Est. revenue $245–$658 after Steam's cut $446–$1k before Steam's cut	$2.99	12 reviews Positive	PuzzleTime Manipulation
Now you can't see me 2021	Est. copies ≈ 2k–3k too small to compare SteamSpy under 20k	Est. revenue Free	Free	64 reviews Mostly Positive	Puzzle-PlatformerPuzzle
F.E.A.R. 2: Project Origin 2009	Est. copies ≈ 602k–979k SteamSpy 500k–1M	Est. revenue $2.5M–$6.7M after Steam's cut $4.5M–$10.3M before Steam's cut	$14.99	10k reviews Very Positive	Horror FPS