Mortal Sin

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Mortal Sin

Short description

Mortal Sin is a chaotic, blood-soaked roguelike where skill is power, and overconfidence is death. Carve through procedurally generated nightmares with brutal melee and flashy, satisfying combos.

Developer
Nikola Todorovic
Publisher
Nikola Todorovic
Release
Fri, Aug 29, 2025
Price
$24.99
Reviews
5,567
Positive
94%
Followers
36,621
Owners (estimated)
200K – 500K
Concurrent players
114
Genres
Action, Indie, RPG
Features
Full controller support
Tags
First-Person Action Roguelike Dungeon Crawler RPG Hack and Slash Action Indie Rogue-lite Dark Fantasy Rogue-like Procedural Generation Singleplayer Loot Horror Violent Gore Early Access Stylized Swordplay Boomer Shooter
Revenue (estimated, gross)~$5msomewhere between $4m and $9m · roughly 200K–445K copies

Review count and SteamSpy's owner range agree well enough to narrow the estimate down to this band. Multiplied by $20.12, the average price these copies actually sold for — weighted from the price history rather than taken from the $24.99 launch price. That is 19% below list price on average. Before Steam's cut, VAT and refunds. How these numbers are calculated.

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History

6 data points since Aug 1, 2026. Gaps mean nothing changed — the value carries forward.

Revenue (est.) ~$5m → ~$5m
Reviews 5,565 → 5,567
Followers 36,616 → 36,621
Concurrent players 114 → 114
Price $24.99 → $24.99
Positive reviews 94.3% → 94.3%

The revenue curve is an estimate, not a measurement. It is the only calculated series here: each interval takes the review growth of that period, multiplies it by the sales-per-review factor and by the price actually charged at the time, and adds the result to the running total. That is why it climbs more slowly through discount periods than the review curve next to it. The last point is the same figure quoted above — gross, before Steam's cut, VAT and refunds. How these numbers are calculated.

The blurred area is the rest of the history. 99 further data points reach back to Mar 1, 2023 — your plan shows the last 90 days of it. How far each series in particular reaches is written on its own chart; not every one of them goes back that far. The shape in the blurred area is decoration, not data: the figures are not in this page at all. Plus unlocks the complete series.

Lowest recorded price: $11.99 on Mar 13, 2025.

How crowded is this niche?

How full the niche around Mortal Sin is — measured on the tags it leads with, against every other combination on Steam.

±?? First-Person + Action Roguelike + Dungeon Crawler

Combinations under 15 games are left out to reduce the influence of small samples. The games below share those tags and are free to browse.

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Similar games that found an audience

Games sharing at least 3 of this title's leading tags, with enough reviews to have gone somewhere. Ranked by how much they overlap, not by how big they are. − missing and + extra mark the tags each one does not share with Mortal Sin. Studio counts the titles that developer has released — the closest thing to production scale that public data allows. It is not a budget, and nobody publishes those.

Image Name Studio Shared Tag difference Price Reviews Positive Released Revenue (estimated)
Hellblusser Hellblusser Sokpop Collective 110 titles +1 6 same tags $4.99 73 92% Tue, Aug 10, 2021 $15k
$7k – $27k
Slasher's Keep Slasher's Keep Damian Schloter first game 5 − Hack and Slash + Indie $13.99 2,124 83% Thu, Nov 19, 2020 $1.3m
$660k – $1.3m
Darkblade Ascent Darkblade Ascent PST Games 2 titles 5 − Hack and Slash + Early Access $10.99 543 82% Thu, Oct 23, 2025 $205k
$111k – $205k
Hades II Hades II Supergiant Games 5 titles 4 − First-Person − Dungeon Crawler + Rogue-like + Rogue-lite $29.99 115,189 96% Thu, Sep 25, 2025 $148m
$68.3m – $148m
Minecraft Dungeons Minecraft Dungeons Double Eleven 12 titles +1 4 − First-Person − Action Roguelike + Adventure + Action RPG $19.99 18,709 90% Wed, Sep 22, 2021 $19.4m
$19.4m – $29m

There are more like this. Your plan shows the 5 closest neighbours; Plus and Pro show up to 100 — enough to see the shape of a niche instead of a sample of it.

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