How many copies did Lockheart Indigo sell?

3k to 6k copies, based on its 140 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Lockheart Indigo make?

Lockheart Indigo is free to play, so there is no copy-sales revenue to estimate.

How big is Lockheart Indigo?

Estimated owners: ≈ 3k–6k; from 140 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 Lockheart Indigo out and predicted the genre from its 8 similar games. Every figure here, including Lockheart Indigo's, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 433–2k

best case 2k (DOOMED Detective Game)

Games like Lockheart Indigo

The middle of these games

≈ 433–2k copies

≈ $1k–$6k after Steam's cut

from ~37 reviews

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

None of your 8 similar games are hits.

Best case: DOOMED Detective Game at ≈ 2k–3k copies, ≈ $3k–$9k after Steam's cut.

What it took to get here

About half the games that made it here had over 17 reviews in their first month; the spread ran 3 to 65.

Under about 100 in month one, almost nothing recovers.

The genre you'd be entering

Your set: Your set clusters on Action-Adventure (6 of 8) and Noir (4 of 8).
The winners: Winners here lead with Puzzle + Action-Adventure, priced around $7.
The era: The games you compared span 2019 to 2025, and 2 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 36 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
GHOST at DAWN 2023	Est. copies ≈ 2k–3k 1.8x vs typical SteamSpy under 20k	Est. revenue $9k–$25k after Steam's cut $17k–$38k before the cut	$19.99	67 reviews Very Positive	Survival HorrorAnime
Brie Parmesan Mysteries 2023	Est. copies ≈ 372–605 SteamSpy under 20k	Est. revenue $715–$2k after Steam's cut $1k–$3k before the cut	$6.99	15 reviews Positive	Early AccessAction-Adventure
MAFIA: Family's Secret 2022	Est. copies ≈ 843–1k SteamSpy 20k–50k	Est. revenue $2k–$4k after Steam's cut $3k–$7k before the cut	$6.99	34 reviews Mostly Positive	CrimeTop-Down Shooter
One Night: Burlesque 2023	Est. copies ≈ 992–2k SteamSpy 50k–100k	Est. revenue $4k–$10k after Steam's cut $6k–$15k before the cut	$12.99	40 reviews Positive	NoirConversation
Gangsters 1920 2019	Est. copies ≈ 202–328 SteamSpy 20k–50k	Est. revenue $166–$447 after Steam's cut $302–$687 before the cut	$2.99	7 reviews 7 user reviews	AdventureIndie
The Happy Dismal Town 2023	Est. copies ≈ 124–202 SteamSpy under 20k	Est. revenue $272–$735 after Steam's cut $495–$1k before the cut	$7.99	5 reviews 5 user reviews	AdventureAction
Terminal 81R 2025	Est. copies ≈ 1k–2k SteamSpy under 20k	Est. revenue $2k–$4k after Steam's cut $3k–$7k before the cut	$4.99	48 reviews Positive	ActionAdventure
DOOMED Detective Game 2025	Est. copies ≈ 2k–3k 1.9x vs typical SteamSpy under 20k	Est. revenue $3k–$9k after Steam's cut $6k–$14k before the cut	$6.99	70 reviews Mixed	AdventureAction