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How many copies did Heat Death sell?

Estimated copies sold
≈ 2k–3k
$7k–$20k after Steam's cut $13k–$30k before the cut
from 71 reviews (Very 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 Heat Death out and predicted the genre from its 4 similar games. Every figure here, including Heat Death's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 115k–283k
best case 746k (Monster Train)
Games like Heat Death

The middle of these games

≈ 115k–283k copies

≈ $575k–$2.4M after Steam's cut

from ~4k 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.

Best case: Monster Train at ≈ 569k–924k copies, ≈ $3.9M–$10.5M after Steam's cut.

What it took to get here
About half the games that made it here had over 2k reviews in their first month; the spread ran 1k to 6k.
The genre you'd be entering
Your set
Your set clusters on Rogue-like (4 of 4) and Card Battler (3 of 4).
The winners
Winners here lead with Card Battler + Rogue-lite, priced around $25.
The era
2 of your 4 similar games shipped in the last two years, so this niche is actively shipping.
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 of about 31, then widened into a range; revenue rides on that estimate times price. Source: GameDiscoverCo (2020) and VG Insights (2021).

Similar games

LONESTAR
2025
Est. copies
≈ 60k–98k
SteamSpy 50k–100k
Est. revenue
$216k–$581k after Steam's cut $393k–$893k before the cut
$12.99
2k reviews
Very Positive
Rogue-likeStrategy
Monster Train
2020
Est. copies
≈ 569k–924k
5.8x vs typical
SteamSpy 500k–1M
Est. revenue
$3.9M–$10.5M after Steam's cut $7.1M–$16.2M before the cut
$24.99
23k reviews
Overwhelmingly Positive
Card BattlerRogue-lite
Alina of the Arena
2022
Est. copies
≈ 98k–160k
SteamSpy 200k–500k
Est. revenue
$405k–$1.1M after Steam's cut $736k–$1.7M before the cut
$14.99
4k reviews
Very Positive
Dice & Fold
2024
Est. copies
≈ 96k–156k
SteamSpy 100k–200k
Est. revenue
$344k–$925k after Steam's cut $625k–$1.4M before the cut
$12.99
4k reviews
Very Positive
Card BattlerDungeon Crawler

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