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How many copies did Skybound: Card Survival sell?

Estimated copies sold
≈ 25–40
$41–$109 after Steam's cut $75–$168 before Steam's cut
from 1 review (1 user reviews)
Only 1 review so far, so that range swings on one or two people. Read it as a hint, not a measurement.

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 Skybound: Card Survival and predicted how it would do from its 8 similar games. Every figure here, including Skybound: Card Survival's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 44k–210k
best case 1.2M (Against the Storm)
Games like Skybound: Card Survival

A typical game among these

≈ 44k–210k copies

≈ $128k–$1.6M after Steam's cut

from ~2k reviews

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

6 of the 8 similar games are hits.

No genre covers most of these similar games. The closest is Rogue-lite (4 of 8), so its genre is hard to place.

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: Against the Storm at ≈ 934k–1.5M copies, ≈ $7.7M–$20.7M after Steam's cut.

What their first month looked like
About half the games that made it here had over 1k reviews in their first month; the range was 19 to 19k.
The genre you'd be entering
These games
The similar games share Rogue-lite (4 of 8) and Simulation (4 of 8).
The winners
Winners here lead with City Builder + Simulation, priced around $30.
When they shipped
The similar games span 2018 to 2025, and 3 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 38 for the oldest, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

Against the Storm
2023
Est. copies
≈ 934k–1.5M
16x vs typical
SteamSpy 500k–1M
Est. revenue
$7.7M–$20.7M after Steam's cut $14.0M–$31.9M before Steam's cut
$29.99
38k reviews
Very Positive
StrategyCity Builder
Ballionaire
2024
Est. copies
≈ 67k–108k
SteamSpy 100k–200k
Est. revenue
$226k–$608k after Steam's cut $411k–$936k before Steam's cut
$12.34
3k reviews
Very Positive
Singleplayer2D
Griftlands
2021
Est. copies
≈ 359k–584k
6.2x vs typical
SteamSpy 500k–1M
Est. revenue
$2.0M–$5.3M after Steam's cut $3.6M–$8.2M before Steam's cut
$19.99
14k reviews
Very Positive
Card BattlerRogue-lite
Mainframe Defenders
2020
Est. copies
≈ 20k–32k
SteamSpy 200k–500k
Est. revenue
$33k–$87k after Steam's cut $59k–$135k before Steam's cut
$5.99
796 reviews
Very Positive
ExplorationTactical RPG
Warlords Under Siege
2025
Est. copies
≈ 12k–19k
SteamSpy 20k–50k
Est. revenue
$33k–$88k after Steam's cut $60k–$136k before Steam's cut
$9.99
482 reviews
Mostly Positive
Action RoguelikeAction RTS
Simmiland
2018
Est. copies
≈ 59k–97k
SteamSpy 100k–200k
Est. revenue
$82k–$219k after Steam's cut $148k–$337k before Steam's cut
$4.99
2k reviews
Very Positive
SimulationIndie
Breachway
2024
Est. copies
≈ 38k–61k
SteamSpy 50k–100k
Est. revenue
$208k–$559k after Steam's cut $378k–$859k before Steam's cut
$19.99
2k reviews
Mostly Positive
Early AccessStrategy
Terraformers
2023
Est. copies
≈ 93k–151k
1.6x vs typical
SteamSpy 1M–2M
Est. revenue
$512k–$1.4M after Steam's cut $931k–$2.1M before Steam's cut
$19.99
4k reviews
Very Positive
SimulationProcedural Generation

Sizing up your own game? See how many copies games in its genre usually sell before you build it.