The Game Census
Mortal Sin cover art

Mortal Sin

Nikola Todorovic · 2025-08-29

SteamGOG

ActionIndieRPG

Modes: Single player · Perspectives: First person

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.

Mortal Sin is an Action, Indie, and RPG game released in 2025, priced at $16.99, with an estimated 200,000 .. 500,000 owners and a Very Positive review sentiment (94% of 5889 reviews).

10
playing now
94%
positive of 5.9k reviews
Very Positive
steam's rating (official)
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)
Verified
Steam Deck (Valve)
SteamOS: Playable
$16.99
steam price (US)

10 players in-game as of 2026-10-14 12:00 UTC (census sample)

Trailer

Mortal Sin trailer thumbnail

Mortal Sin - Official 1.0 Launch Trailer

≈1,000,000 YouTube results for this game's trailer search

Health check

Cooling
  • · 10 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 6% of 27,667 Action games in the census by review count.
Estimated sales: 118k–265k copies

Review-multiple estimate from 5,888 total reviews — how this is computed.

Current store prices

GOG$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 47 of 89 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

2532026-09-15 13:00 — 15 players2026-09-16 22:00 — 13 players2026-09-18 05:00 — 15 players2026-09-19 13:00 — 14 players2026-09-20 20:00 — 25 players2026-09-22 04:00 — 17 players2026-09-23 11:00 — 7 players2026-09-24 19:00 — 11 players2026-09-26 02:00 — 13 players2026-09-27 10:00 — 4 players2026-09-28 17:00 — 6 players2026-09-30 01:00 — 12 players2026-10-01 08:00 — 6 players2026-10-02 16:00 — 12 players2026-10-04 00:00 — 14 players2026-10-05 08:00 — 7 players2026-10-06 15:00 — 14 players2026-10-07 23:00 — 15 players2026-10-09 06:00 — 13 players2026-10-10 14:00 — 19 players2026-10-11 21:00 — 25 players2026-10-13 05:00 — 11 players2026-10-14 12:00 — 10 players
Concurrent players, hourly average, last 30 days (census samples).
1997Mar 2023Aug 2026Mar 2023 — avg 55 · peak 189May 2023 — avg 13 · peak 32Jul 2023 — avg 13 · peak 37Sep 2023 — avg 12 · peak 36Nov 2023 — avg 52 · peak 148Jan 2024 — avg 130 · peak 504Mar 2024 — avg 43 · peak 126May 2024 — avg 41 · peak 156Jul 2024 — avg 77 · peak 363Sep 2024 — avg 17 · peak 44Nov 2024 — avg 33 · peak 89Jan 2025 — avg 55 · peak 182Mar 2025 — avg 24 · peak 62May 2025 — avg 89 · peak 598Jul 2025 — avg 46 · peak 106Sep 2025 — avg 199 · peak 996Nov 2025 — avg 109 · peak 373Jan 2026 — avg 62 · peak 144Mar 2026 — avg 47 · peak 156May 2026 — avg 35 · peak 106Jul 2026 — avg 32 · peak 73Aug 2026 — avg 21 · peak 53
Monthly average players (source: steamcharts.com) — history via steamcharts.com; live census sampling since Aug 2026.

Price history

$24.99$11.992023-03-152026-10-142023-03-15 — best price $15.992023-08-21 — best price $14.992023-11-21 — best price $14.992024-01-19 — best price $19.992024-03-28 — best price $19.992024-05-20 — best price $19.992024-07-11 — best price $19.992024-08-26 — best price $19.992024-10-29 — best price $13.392024-12-04 — best price $19.992025-03-09 — best price $19.992025-04-22 — best price $19.992025-06-27 — best price $11.992025-09-12 — best price $24.992025-10-21 — best price $19.992025-12-11 — best price $19.992026-01-23 — best price $19.992026-03-02 — best price $24.992026-03-26 — best price $24.992026-04-14 — best price $18.992026-05-01 — best price $24.992026-06-17 — best price $18.992026-07-23 — best price $24.992026-08-12 — best price $16.992026-08-27 — best price $24.992026-08-31 — best price $24.992026-09-04 — best price $24.992026-09-08 — best price $24.992026-09-12 — best price $16.992026-09-16 — best price $16.992026-09-20 — best price $16.992026-09-24 — best price $16.992026-09-28 — best price $16.992026-10-02 — best price $16.992026-10-06 — best price $16.992026-10-10 — best price $24.992026-10-14 — 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

Post-launch support: 1 DLC released, first 2023-07-05 (Steam store data)

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 LandsTanziaCitadel: Forged with FireForgotton AnneForce of NatureShadows: AwakeningEternity: The Last UnicornWarhammer: Chaosbane

Similarity via IGDB.

Discord ↗Official site ↗