How many copies did Echoes+ sell?

42k to 68k copies, based on its 857 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 players who have it: ≈ 42k–68k; from 857 reviews (Very Positive)

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 Echoes+ and predicted how it would do from its 8 similar games. Every figure here, including Echoes+'s, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 125k–334k

best case 478k (Nova Drift)

Games like Echoes+

A typical game among these

≈ 125k–334k copies

≈ $413k–$1.4M after Steam's cut

from ~4k reviews

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

All 8 of the similar games are hits.

Best case: Nova Drift at ≈ 364k–592k copies, ≈ $1.8M–$4.8M after Steam's cut.

What their first month looked like

About half the games that made it here had over 4k reviews in their first month; the range was 779 to 12k.

The genre you'd be entering

These games: The similar games share Arcade (8 of 8) and Bullet Hell (8 of 8).
The winners: Winners here lead with Action Roguelike + Arena Shooter, priced around $18.
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
Sky Force Reloaded 2017	Est. copies ≈ 96k–155k SteamSpy 200k–500k	Est. revenue $263k–$706k after Steam's cut $477k–$1.1M before Steam's cut	$9.99	3k reviews Very Positive	Shoot 'Em UpArcade
Nova Drift 2024	Est. copies ≈ 364k–592k 3.5x vs typical SteamSpy 200k–500k	Est. revenue $1.8M–$4.8M after Steam's cut $3.3M–$7.5M before Steam's 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 Steam's cut	$0.99	6k reviews Overwhelmingly Positive	Bullet HellShoot 'Em Up
Exit the Gungeon 2020	Est. copies ≈ 93k–152k SteamSpy 200k–500k	Est. revenue $256k–$689k after Steam's cut $466k–$1.1M before Steam's cut	$9.99	4k reviews Mostly Positive	ArcadeAction
Rogue: Genesia 2025	Est. copies ≈ 213k–346k 2.1x vs typical SteamSpy 200k–500k	Est. revenue $878k–$2.4M after Steam's cut $1.6M–$3.6M before Steam's cut	$14.99	9k reviews Very Positive	Action RoguelikeBullet Hell
LUFTRAUSERS 2014	Est. copies ≈ 253k–412k SteamSpy 200k–500k	Est. revenue $696k–$1.9M after Steam's cut $1.3M–$2.9M before Steam's cut	$9.99	5k reviews Very Positive	IndieBullet Hell
Windowkill 2024	Est. copies ≈ 93k–151k SteamSpy 200k–500k	Est. revenue $127k–$342k after Steam's cut $232k–$527k before Steam's cut	$4.99	4k reviews Overwhelmingly Positive	ActionIndie
Ikaruga 2014	Est. copies ≈ 133k–216k SteamSpy 100k–200k	Est. revenue $365k–$982k after Steam's cut $664k–$1.5M before Steam's cut	$9.99	2k reviews Very Positive	Shoot 'Em UpBullet Hell