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wishvane

How many copies did Forever Skies sell?

Estimated copies sold
≈ 222k–361k
$1.8M–$4.9M after Steam's cut $3.3M–$7.6M before the cut
from 9k reviews (Mostly 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 Forever Skies out and predicted the genre from its 4 similar games. Every figure here, including Forever Skies's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 23.3M–110.6M
best case 128.5M (Terraria)
Games like Forever Skies

The middle of these games

≈ 23.3M–110.6M copies

≈ $189.6M–$427.1M after Steam's cut

from ~911k reviews

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

All 4 of your similar games are hits.

From a small set, so take it as a sketch.

No genre covers most of your similar games. The closest is Building (2 of 4), so the genre you lead with is still undecided.

Of the 416 indie games that passed 1,000 reviews in 2022, 11.8% were novel genre mixes and 88.2% stuck to an established genre. Published indie market research.

Best case: Terraria at ≈ 97.9M–159.1M copies, ≈ $269.0M–$723.1M after Steam's cut.

The genre you'd be entering
Your set
Your set clusters on Building (2 of 4) and Crafting (2 of 4).
The winners
Winners here lead with Open World Survival Craft + Sandbox, priced around $10.
The era
The games you compared span 2006 to 2021, and none of them 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

Terraria
2011
Est. copies
≈ 97.9M–159.1M
1.7x vs typical
SteamSpy 20M–50M
Est. revenue
$269.0M–$723.1M after Steam's cut $489.0M–$1112.5M before the cut
$9.99
1.5M reviews
Overwhelmingly Positive
Open World Survival CraftSandbox
Garry's Mod
2006
Est. copies
≈ 79.8M–129.6M
SteamSpy 20M–50M
Est. revenue
$219.1M–$589.2M after Steam's cut $398.4M–$906.5M before the cut
$9.99
1.3M reviews
Overwhelmingly Positive
SandboxModdable
Hollow Knight
2017
Est. copies
≈ 19.2M–31.3M
SteamSpy 5M–10M
Est. revenue
$79.3M–$213.3M after Steam's cut $144.2M–$328.1M before the cut
$14.99
559k reviews
Overwhelmingly Positive
Valheim
2021
Est. copies
≈ 13.4M–21.8M
SteamSpy 10M–20M
Est. revenue
$110.6M–$297.4M after Steam's cut $201.1M–$457.5M before the cut
$29.99
541k reviews
Very Positive
Open World Survival CraftSurvival

Sizing up your own game? See what its genre can realistically do before you build it.