The Game Census
Mortal Sin cover art

Mortal Sin

Nikola Todorovic · 2025-08-29

SteamGOG

ActionIndieRPG

Modes: Single player

Releases: Mar 15, 2023 (PC (Microsoft Windows))

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.

41
playing now
94%
positive of 5.9k reviews
Very Positive
steam rating
200,000–500,000
owners (SteamSpy est.)
81/100
critic score (1 outlets, IGDB)
6h
to beat · rushed 5h · completionist 15h
platinum
deck/linux tier (ProtonDB)
$16.99
steam price (US)

41 players in-game as of 2026-08-30 03:00 UTC (census sample)

Health check

Cooling
  • · 41 players in-game at the last census sample.
  • · 451 reviews in the last 8 weeks (~56/week).
  • · Review velocity down 81% vs the prior 8 weeks.
  • · Top 15% of 10,862 Action games in the census by review count.
Estimated sales: 118k–265k copies

Review-multiple estimate from 5,884 total reviews — how this is computed.

Current store prices

GOG$24.99
lowest across shops (ITAD)$24.99

Deal snapshots via CheapShark, refreshed daily.

All-time low: $11.99 at Steam (2025-03-13) · bundled 3×via IsThereAnyDeal

12-month high $24.99 · on sale 24 of 48 observed days · $13.00 above the all-time low (census price snapshots)

Review momentum

PositiveNegative
53053020232026Week of 2023-03-01: 244 positiveWeek of 2023-03-01: 6 negativeWeek of 2023-04-01: 66 positiveWeek of 2023-04-01: 4 negativeWeek of 2023-05-01: 54 positiveWeek of 2023-06-01: 21 positiveWeek of 2023-07-01: 45 positiveWeek of 2023-07-01: 4 negativeWeek of 2023-08-01: 83 positiveWeek of 2023-09-01: 52 positiveWeek of 2023-09-01: 1 negativeWeek of 2023-10-01: 67 positiveWeek of 2023-10-01: 2 negativeWeek of 2023-11-01: 226 positiveWeek of 2023-11-01: 4 negativeWeek of 2023-12-01: 159 positiveWeek of 2023-12-01: 4 negativeWeek of 2024-01-01: 438 positiveWeek of 2024-01-01: 23 negativeWeek of 2024-02-01: 102 positiveWeek of 2024-02-01: 3 negativeWeek of 2024-03-01: 98 positiveWeek of 2024-03-01: 8 negativeWeek of 2024-04-01: 53 positiveWeek of 2024-04-01: 3 negativeWeek of 2024-05-01: 178 positiveWeek of 2024-05-01: 5 negativeWeek of 2024-06-01: 72 positiveWeek of 2024-07-01: 226 positiveWeek of 2024-07-01: 9 negativeWeek of 2024-08-01: 68 positiveWeek of 2024-08-01: 4 negativeWeek of 2024-09-01: 44 positiveWeek of 2024-09-01: 3 negativeWeek of 2024-10-01: 49 positiveWeek of 2024-10-01: 7 negativeWeek of 2024-11-01: 89 positiveWeek of 2024-11-01: 4 negativeWeek of 2024-12-01: 74 positiveWeek of 2024-12-01: 3 negativeWeek of 2025-01-01: 202 positiveWeek of 2025-01-01: 9 negativeWeek of 2025-02-01: 39 positiveWeek of 2025-02-01: 4 negativeWeek of 2025-03-01: 60 positiveWeek of 2025-03-01: 7 negativeWeek of 2025-04-01: 129 positiveWeek of 2025-04-01: 14 negativeWeek of 2025-05-01: 276 positiveWeek of 2025-05-01: 20 negativeWeek of 2025-06-01: 180 positiveWeek of 2025-06-01: 19 negativeWeek of 2025-07-01: 279 positiveWeek of 2025-07-01: 11 negativeWeek of 2025-08-01: 266 positiveWeek of 2025-08-01: 18 negativeWeek of 2025-09-01: 530 positiveWeek of 2025-09-01: 47 negativeWeek of 2025-10-01: 276 positiveWeek of 2025-10-01: 16 negativeWeek of 2025-11-01: 317 positiveWeek of 2025-11-01: 14 negativeWeek of 2025-12-01: 86 positiveWeek of 2025-12-01: 13 negativeWeek of 2026-01-01: 66 positiveWeek of 2026-01-01: 13 negativeWeek of 2026-02-01: 48 positiveWeek of 2026-02-01: 3 negativeWeek of 2026-03-01: 53 positiveWeek of 2026-03-01: 5 negativeWeek of 2026-04-01: 37 positiveWeek of 2026-04-01: 7 negativeWeek of 2026-05-01: 34 positiveWeek of 2026-05-01: 12 negativeWeek of 2026-06-01: 22 positiveWeek of 2026-06-01: 6 negativeWeek of 2026-07-01: 33 positiveWeek of 2026-07-01: 13 negativeWeek of 2026-08-01: 14 positiveWeek of 2026-08-01: 3 negative
Weekly review counts (Steam review histogram). Positive above the line, negative below.

Players online

4172026-08-07 00:00 — 23 players2026-08-07 08:00 — 13 players2026-08-07 16:00 — 14 players2026-08-08 00:00 — 16 players2026-08-08 08:00 — 11 players2026-08-08 16:00 — 20 players2026-08-09 00:00 — 15 players2026-08-09 08:00 — 15 players2026-08-09 16:00 — 19 players2026-08-10 00:00 — 16 players2026-08-10 08:00 — 7 players2026-08-10 16:00 — 19 players2026-08-11 00:00 — 16 players2026-08-11 08:00 — 7 players2026-08-11 17:00 — 27 players2026-08-13 00:00 — 21 players2026-08-14 08:00 — 14 players2026-08-15 15:00 — 21 players2026-08-16 23:00 — 26 players2026-08-18 07:00 — 13 players2026-08-19 14:00 — 19 players2026-08-20 22:00 — 19 players2026-08-22 05:00 — 10 players2026-08-23 13:00 — 34 players2026-08-24 21:00 — 30 players2026-08-26 03:00 — 35 players2026-08-27 11:00 — 12 players2026-08-28 19:00 — 25 players2026-08-30 03:00 — 41 players
Concurrent players, hourly average, last 30 days (census samples).

Price history

$24.99$11.992023-03-152026-08-302023-03-15 — best price $15.992023-07-13 — best price $19.992023-10-26 — best price $14.992023-11-28 — best price $19.992024-01-19 — best price $19.992024-03-14 — best price $13.992024-04-30 — best price $19.992024-06-06 — best price $14.992024-07-11 — best price $19.992024-08-19 — best price $13.992024-09-30 — best price $19.992024-11-04 — best price $19.992024-12-04 — best price $19.992025-02-23 — best price $13.992025-03-20 — best price $19.992025-04-23 — best price $19.992025-06-27 — best price $11.992025-08-29 — best price $19.992025-09-29 — best price $19.992025-11-04 — best price $24.992025-12-11 — best price $19.992026-01-21 — best price $24.992026-02-12 — best price $19.992026-03-08 — best price $24.992026-03-26 — best price $24.992026-04-09 — best price $18.752026-04-22 — best price $24.992026-05-15 — best price $18.742026-06-17 — best price $18.992026-07-13 — best price $16.992026-08-01 — best price $24.992026-08-22 — best price $16.992026-08-27 — best price $24.992026-08-30 — best price $24.99
Lowest recorded price across tracked stores, per day (census snapshots).

Completion

47
achievements tracked
72.4%
earned "Dungeon Novice"
1.6%
median achievement earned by

Global achievement rates from Steam.

Details

WindowsFull controller supportSingle-playerSteam AchievementsFull controller supportSteam CloudFamily Sharing1 DLC

10 supported languages: English, Russian, Simplified Chinese, French, Spanish - Spain, German, Japanese, Korean, Polish, Portuguese - Brazil

Console footprint

PlatformPlayers trackedCompletionTrophies/achievements
Steam (Steam)4,2590%47

Players tracked by Exophase (achievement/trophy trackers) — a sample of the player base, not total sales.

Where its players are

Share of Steam reviews by language (top languages measured) — a proxy for where the player base lives.

Player tags

RPGLootIndieActionHorrorViolentRogue-likeRogue-liteDark FantasyFirst-Person

Census log

Computed from census-recorded observations only — dates are observation dates.

Recent updates

Players also track

Savage LandsCitadel: Forged with FireForgotton AnneForce of NatureShadows: AwakeningEternity: The Last UnicornWarhammer: ChaosbaneApsulov: End of Gods

Similarity via IGDB.

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