How many copies did Echoes+ sell?

42k to 68k copies, based on its 856 Steam reviews. This is a labeled estimate from the review count, not exact sales.

How much revenue did Echoes+ make?

Echoes+ is free to play, so there is no copy-sales revenue to estimate.

How big is Echoes+?

Estimated owners: ≈ 42k–68k; from 856 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 Echoes+ out and predicted the genre from its 8 similar games. Every figure here, including Echoes+'s, is estimated from Steam reviews, not self-reported sales.

Copies, estimated from reviews

typical (middle half) 124k–333k

best case 474k (Nova Drift)

Games like Echoes+

The middle of these games

≈ 124k–333k copies

≈ $412k–$1.4M 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 8 of your similar games are hits.

Best case: Nova Drift at ≈ 361k–587k copies, ≈ $1.8M–$4.8M after Steam's cut.

What it took to get here

About half the games that made it here had over 4k reviews in their first month; the spread ran 780 to 12k.

The genre you'd be entering

Your set: Your set clusters on Arcade (8 of 8) and Bullet Hell (8 of 8).
The winners: Winners here lead with Action Roguelike + Arena Shooter, priced around $18.
The era: The games you compared span 2014 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 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
Sky Force Reloaded 2017	Est. copies ≈ 95k–154k SteamSpy 200k–500k	Est. revenue $261k–$702k after Steam's cut $474k–$1.1M before the cut	$9.99	3k reviews Very Positive	Shoot 'Em UpArcade
Nova Drift 2024	Est. copies ≈ 361k–587k 3.5x vs typical SteamSpy 200k–500k	Est. revenue $1.8M–$4.8M after Steam's cut $3.3M–$7.4M before the cut	$17.99	15k reviews Overwhelmingly Positive	Action RoguelikeArena Shooter
Bit Blaster XL 2016	Est. copies ≈ 256k–416k SteamSpy 500k–1M	Est. revenue $70k–$187k after Steam's cut $127k–$288k before the cut	$0.99	6k reviews Overwhelmingly Positive	Bullet HellShoot 'Em Up
Exit the Gungeon 2020	Est. copies ≈ 93k–151k SteamSpy 200k–500k	Est. revenue $256k–$687k after Steam's cut $465k–$1.1M before the cut	$9.99	4k reviews Mostly Positive	ArcadeAction
Rogue: Genesia 2025	Est. copies ≈ 212k–344k 2.1x vs typical SteamSpy 200k–500k	Est. revenue $874k–$2.3M after Steam's cut $1.6M–$3.6M before the cut	$14.99	9k reviews Very Positive	Action RoguelikeBullet Hell
LUFTRAUSERS 2014	Est. copies ≈ 253k–411k SteamSpy 200k–500k	Est. revenue $695k–$1.9M after Steam's cut $1.3M–$2.9M before the cut	$9.99	5k reviews Very Positive	IndieBullet Hell
Windowkill 2024	Est. copies ≈ 92k–150k SteamSpy 200k–500k	Est. revenue $126k–$340k after Steam's cut $230k–$523k before the cut	$4.99	4k reviews Overwhelmingly Positive	ActionIndie
Ikaruga 2014	Est. copies ≈ 132k–215k SteamSpy 100k–200k	Est. revenue $364k–$977k after Steam's cut $661k–$1.5M before the cut	$9.99	2k reviews Very Positive	Shoot 'Em UpBullet Hell