How much revenue did Sin Slayers: Reign of The 8th make?

$12k–$33k after Steam's roughly 30% cut, derived from the copies estimate and its price.

How many copies did Sin Slayers: Reign of The 8th sell?

Q: How many copies did Sin Slayers: Reign of The 8th sell?

2k to 4k copies, based on its 91 Steam reviews. This is a labeled estimate from the review count, not exact sales.

Estimated copies sold: ≈ 2k–4k; $12k–$33k after Steam's cut $23k–$51k before Steam's cut; from 91 reviews (Mixed)

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 Sin Slayers: Reign of The 8th and predicted how it would do from its 8 similar games. Every figure here, including Sin Slayers: Reign of The 8th's, is estimated from Steam reviews.

Copies, estimated from reviews

typical (middle half) 22k–77k

best case 173k (Othercide)

Games like Sin Slayers: Reign of The 8th

A typical game among these

≈ 22k–77k copies

≈ $123k–$651k after Steam's cut

from ~1k reviews

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

5 of the 8 similar games are hits.

Best case: Othercide at ≈ 132k–214k copies, ≈ $1.1M–$2.9M after Steam's cut.

What their first month looked like

About half the games that made it here had over 868 reviews in their first month; the range was 307 to 1k.

The genre you'd be entering

These games: The similar games share Rogue-like (7 of 8) and Rogue-lite (4 of 8).
The winners: Winners here lead with Turn-Based Tactics + Female Protagonist, priced around $30.
When they shipped: The similar games span 2016 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 52 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
Rogue Lords 2021	Est. copies ≈ 47k–76k SteamSpy 100k–200k	Est. revenue $323k–$870k after Steam's cut $588k–$1.3M before Steam's cut	$24.99	2k reviews Mixed	RPGRogue-like
Banners of Ruin 2021	Est. copies ≈ 81k–131k 2.3x vs typical SteamSpy 200k–500k	Est. revenue $443k–$1.2M after Steam's cut $805k–$1.8M before Steam's cut	$19.99	3k reviews Mostly Positive	Roguelike Deckbuilder Rogue-like
Few Nights More 2025	Est. copies ≈ 10k–17k SteamSpy under 20k	Est. revenue $43k–$115k after Steam's cut $78k–$177k before Steam's cut	$14.99	418 reviews Very Positive	RPGRogue-like
Dawnfolk 2025	Est. copies ≈ 18k–29k SteamSpy 20k–50k	Est. revenue $75k–$201k after Steam's cut $136k–$309k before Steam's cut	$14.99	731 reviews Very Positive	Pixel GraphicsRogue-lite
Dungeon 100 2023	Est. copies ≈ 41k–66k SteamSpy 200k–500k	Est. revenue $134k–$359k after Steam's cut $243k–$553k before Steam's cut	$11.99	2k reviews Very Positive	Strategy RPGAuto Battler
Dungeon Rushers 2016	Est. copies ≈ 51k–83k SteamSpy 100k–200k	Est. revenue $212k–$569k after Steam's cut $385k–$876k before Steam's cut	$14.99	1k reviews Mixed	Dungeon Crawler Rogue-lite
Othercide 2020	Est. copies ≈ 132k–214k 3.7x vs typical SteamSpy 200k–500k	Est. revenue $1.1M–$2.9M after Steam's cut $2.0M–$4.5M before Steam's cut	$29.99	5k reviews Very Positive	StrategyIndie
Wulin Chess 2024	Est. copies ≈ 12k–20k SteamSpy 50k–100k	Est. revenue $40k–$107k after Steam's cut $72k–$165k before Steam's cut	$11.99	487 reviews Mostly Positive	Strategy RPGDark