How much revenue did Heart Keeper make?

$136–$365 after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Heart Keeper sell?

Q: How many copies did Heart Keeper sell?

99 to 161 copies, based on its 4 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 99–161; $136–$365 after Steam's cut $247–$562 before Steam's cut; from 4 reviews (4 user reviews); Only 4 reviews 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 Heart Keeper and predicted how it would do from its 8 similar games. Every figure here, including Heart Keeper's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 4k–44k

best case 175k (Necrosmith)

Games like Heart Keeper

A typical game among these

≈ 4k–44k copies

≈ $20k–$126k after Steam's cut

from ~386 reviews

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

2 of the 8 similar games are hits.

Best case: Necrosmith at ≈ 133k–216k copies, ≈ $109k–$294k after Steam's cut.

What their first month looked like

About half the games that made it here had over 127 reviews in their first month; the range was 15 to 2k.

The genre you'd be entering

These games: The similar games share Action Roguelike (8 of 8) and Bullet Hell (7 of 8).
The winners: Winners here lead with Zombies + Action Roguelike, priced around $3.
When they shipped: The similar games span 2014 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 70 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
Necrosmith 2022	Est. copies ≈ 133k–216k 14x vs typical SteamSpy 500k–1M	Est. revenue $109k–$294k after Steam's cut $199k–$453k before Steam's cut	$2.99	5k reviews Very Positive	ZombiesAction Roguelike
Ultimate Protector 2022	Est. copies ≈ 2k–3k SteamSpy under 20k	Est. revenue $1k–$3k after Steam's cut $2k–$5k before Steam's cut	$2.99	63 reviews Very Positive	CasualAction
Bardbarian 2014	Est. copies ≈ 85k–138k 3.9x vs typical SteamSpy 100k–200k	Est. revenue $186k–$500k after Steam's cut $338k–$769k before Steam's cut	$7.99	2k reviews Very Positive	IndieTower Defense
Towerful Defense: A Rogue TD 2024	Est. copies ≈ 6k–10k SteamSpy under 20k	Est. revenue $16k–$44k after Steam's cut $30k–$68k before Steam's cut	$9.99	241 reviews Mostly Positive	Action RoguelikeAuto Battler
Paper Planet 2023	Est. copies ≈ 13k–21k SteamSpy 50k–100k	Est. revenue $54k–$146k after Steam's cut $99k–$225k before Steam's cut	$14.99	531 reviews Very Positive	Action RoguelikeTower Defense
Rogue Star Rescue 2021	Est. copies ≈ 3k–5k SteamSpy under 20k	Est. revenue $14k–$37k after Steam's cut $25k–$58k before Steam's cut	$14.99	136 reviews Very Positive	Twin Stick ShooterAction Roguelike
SHOOPER NOVA 2025	Est. copies ≈ 16k–27k 1.7x vs typical SteamSpy 20k–50k	Est. revenue $32k–$85k after Steam's cut $58k–$131k before Steam's cut	$6.99	664 reviews Very Positive	StrategyRogue-lite
Acid Planet 2024	Est. copies ≈ 2k–3k SteamSpy under 20k	Est. revenue $1k–$4k after Steam's cut $3k–$6k before Steam's cut	$2.99	71 reviews Very Positive	Early AccessTower Defense