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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 the cut
from 1 reviews (1 user reviews)
Thin evidence: 1 review. That range swings on one or two people, so read it as a hint, not a measurement.

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 Skybound: Card Survival out and predicted the genre from its 8 similar games. Every figure here, including Skybound: Card Survival's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 43k–209k
best case 1.2M (Against the Storm)
Games like Skybound: Card Survival

The middle of these games

≈ 43k–209k copies

≈ $127k–$1.6M after Steam's cut

from ~2k reviews

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

6 of your 8 similar games are hits.

No genre covers most of your similar games. The closest is Rogue-lite (4 of 8), 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: Against the Storm at ≈ 926k–1.5M copies, ≈ $7.6M–$20.5M after Steam's cut.

What it took to get here
About half the games that made it here had over 1k reviews in their first month; the spread ran 19 to 19k.
The genre you'd be entering
Your set
Your set clusters on Rogue-lite (4 of 8) and Simulation (4 of 8).
The winners
Winners here lead with City Builder + Simulation, priced around $30.
The era
The games you compared span 2018 to 2025, and 3 of your 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
≈ 926k–1.5M
16x vs typical
SteamSpy 500k–1M
Est. revenue
$7.6M–$20.5M after Steam's cut $13.9M–$31.6M before the cut
$29.99
37k reviews
Very Positive
StrategyCity Builder
Ballionaire
2024
Est. copies
≈ 64k–104k
SteamSpy 100k–200k
Est. revenue
$218k–$586k after Steam's cut $396k–$902k before the cut
$12.34
3k reviews
Very Positive
Singleplayer2D
Griftlands
2021
Est. copies
≈ 359k–583k
6.4x vs typical
SteamSpy 500k–1M
Est. revenue
$2.0M–$5.3M after Steam's cut $3.6M–$8.2M before the cut
$19.99
14k reviews
Very Positive
Card BattlerRogue-lite
Mainframe Defenders
2020
Est. copies
≈ 20k–32k
SteamSpy 200k–500k
Est. revenue
$32k–$87k after Steam's cut $59k–$133k before the cut
$5.99
790 reviews
Very Positive
ExplorationTactical RPG
Warlords Under Siege
2025
Est. copies
≈ 12k–19k
SteamSpy 20k–50k
Est. revenue
$33k–$88k after Steam's cut $59k–$135k before the cut
$9.99
478 reviews
Mostly Positive
Action RoguelikeAction RTS
Simmiland
2018
Est. copies
≈ 59k–96k
SteamSpy 100k–200k
Est. revenue
$81k–$218k after Steam's cut $147k–$335k before the cut
$4.99
2k reviews
Very Positive
SimulationIndie
Breachway
2024
Est. copies
≈ 37k–60k
SteamSpy 50k–100k
Est. revenue
$204k–$548k after Steam's cut $371k–$844k before the cut
$19.99
1k reviews
Mostly Positive
Early AccessStrategy
Terraformers
2023
Est. copies
≈ 93k–151k
1.6x vs typical
SteamSpy 1M–2M
Est. revenue
$509k–$1.4M after Steam's cut $926k–$2.1M before the cut
$19.99
4k reviews
Very Positive
SimulationProcedural Generation

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