How much revenue did Grey Skies: A War of the Worlds Story make?

$13k–$35k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Grey Skies: A War of the Worlds Story sell?

Q: How many copies did Grey Skies: A War of the Worlds Story sell?

4k to 6k copies, based on its 157 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 4k–6k; $13k–$35k after Steam's cut $23k–$53k before Steam's cut; from 157 reviews (Mostly Negative)

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 Grey Skies: A War of the Worlds Story and predicted how it would do from its 8 similar games. Every figure here, including Grey Skies: A War of the Worlds Story's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 485k–4.5M

best case 7.6M (Far Cry® 5)

Games like Grey Skies: A War of the Worlds Story

A typical game among these

≈ 485k–4.5M copies

≈ $5.4M–$65.7M after Steam's cut

from ~45k 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.

Best case: Far Cry® 5 at ≈ 5.8M–9.4M copies, ≈ $95.1M–$255.6M after Steam's cut.

What their first month looked like

About half the games that made it here had over 4k reviews in their first month; the range was 1k to 18k.

The genre you'd be entering

These games: The similar games share Action-Adventure (5 of 8) and Horror (4 of 8).
The winners: Winners here lead with Open World + Action-Adventure, priced around $60.
When they shipped: The similar games span 2016 to 2025, 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 52 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
Hello Neighbor 2017	Est. copies ≈ 1.1M–1.9M SteamSpy 500k–1M	Est. revenue $9.4M–$25.4M after Steam's cut $17.2M–$39.0M before Steam's cut	$29.99	33k reviews Very Positive	HorrorSandbox
Amnesia: The Bunker 2023	Est. copies ≈ 314k–511k SteamSpy 200k–500k	Est. revenue $2.2M–$5.8M after Steam's cut $3.9M–$8.9M before Steam's cut	$24.99	13k reviews Very Positive	Horror Survival Horror
Chernobylite Complete Edition 2021	Est. copies ≈ 388k–630k SteamSpy 500k–1M	Est. revenue $3.2M–$8.6M after Steam's cut $5.8M–$13.2M before Steam's cut	$29.99	16k reviews Very Positive	Post-apocalypticSurvival
Rise of the Tomb Raider™ 2016	Est. copies ≈ 6.5M–10.6M 3.5x vs typical SteamSpy 2M–5M	Est. revenue $53.7M–$144.2M after Steam's cut $97.5M–$221.9M before Steam's cut	$29.99	156k reviews Very Positive	AdventureAction
Far Cry® 5 2018	Est. copies ≈ 5.8M–9.4M 4.2x vs typical SteamSpy 2M–5M	Est. revenue $95.1M–$255.6M after Steam's cut $172.9M–$393.3M before Steam's cut	$59.99	190k reviews Very Positive	Open WorldAction-Adventure
Shadow of the Tomb Raider: Definitive Edition 2018	Est. copies ≈ 2.7M–4.4M 2.0x vs typical SteamSpy 2M–5M	Est. revenue $29.6M–$79.6M after Steam's cut $53.8M–$122.4M before Steam's cut	$39.99	89k reviews Very Positive	AdventureAction
The Last of Us™ Part II Remastered 2025	Est. copies ≈ 1.4M–2.3M SteamSpy 500k–1M	Est. revenue $19.2M–$51.5M after Steam's cut $34.9M–$79.3M before Steam's cut	$49.99	56k reviews Very Positive	Story RichPost-apocalyptic
METAL GEAR SOLID 3: Snake Eater - Master Collection Version 2023	Est. copies ≈ 176k–286k SteamSpy 100k–200k	Est. revenue $968k–$2.6M after Steam's cut $1.8M–$4.0M before Steam's cut	$19.99	7k reviews Very Positive	ActionAction-Adventure