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Steam app 4466620 · updated 12 Sep 2026, 18:50 UTC

SiNiSistar 2

Step into a beautifully somber pixel art world of decay filled with grotesque, writhing abominations...A dark action RPG that follows the journey of a demon-slaying nun who must resist destruction and despair while purging the corruption from this world one boss after another!

SiNiSistar 2 Steam header artwork
UuEroge Japan
117playing now
19424-hour peak
3,236all-time peak
155average, last 30 days

The last 30 days

−40Gain−20.41%% gain608Peak

718 hourly samples, with the daily peak drawn over them. Weekends are shaded.

016432849265713 Aug18 Aug23 Aug28 Aug02 Sep07 Sep12 SepThursday 13 August 2026201 peakFriday 14 August 2026534 peakSaturday 15 August 2026608 peakSunday 16 August 2026589 peakMonday 17 August 2026441 peakTuesday 18 August 2026374 peakWednesday 19 August 2026309 peakThursday 20 August 2026308 peakFriday 21 August 2026281 peakSaturday 22 August 2026285 peakSunday 23 August 2026276 peakMonday 24 August 2026263 peakTuesday 25 August 2026254 peakWednesday 26 August 2026238 peakThursday 27 August 2026245 peakFriday 28 August 2026246 peakSaturday 29 August 2026238 peakSunday 30 August 2026237 peakMonday 31 August 2026187 peakTuesday 01 September 2026194 peakWednesday 02 September 2026178 peakThursday 03 September 2026185 peakFriday 04 September 2026211 peakSaturday 05 September 2026205 peakSunday 06 September 2026186 peakMonday 07 September 2026161 peakTuesday 08 September 2026146 peakWednesday 09 September 2026171 peakThursday 10 September 2026131 peakFriday 11 September 2026168 peakSaturday 12 September 2026194 peak
Daily peakEvery hourly sample

All time

5 months, May 2026 to September 2026. The highest number of people in the game at once, each month, on a time axis -- a gap in the record stays a gap.

08742k3k3kMay 2026Jun 2026Jul 2026Aug 2026Sep 2026May 20263,236 monthly peakJune 2026699 monthly peakJuly 2026589 monthly peakAugust 2026608 monthly peakSeptember 2026211 monthly peak
Monthly peak

The last four months

Show:

The highest number of people in the game at once, each month. Four, because four is as far back as the source keeps anything finer than one figure a month.

0164328492657July 2026August 2026September 2026October 2026July 2026589 peak — daily detail belowAugust 2026608 peak — hourly detail belowSeptember 2026211 peak — hourly detail below
Monthly peakHas finer data

July 2026

31 days, each one the highest figure that day. The source keeps no hourly detail this far back. Weekends are shaded.

015931847763601 Jul06 Jul11 Jul16 Jul21 Jul26 Jul31 JulWednesday 01 July 2026560 peakThursday 02 July 2026499 peakFriday 03 July 2026555 peakSaturday 04 July 2026566 peakSunday 05 July 2026589 peakMonday 06 July 2026517 peakTuesday 07 July 2026539 peakWednesday 08 July 2026538 peakThursday 09 July 2026556 peakFriday 10 July 2026488 peakSaturday 11 July 2026471 peakSunday 12 July 2026429 peakMonday 13 July 2026371 peakTuesday 14 July 2026363 peakWednesday 15 July 2026316 peakThursday 16 July 2026315 peakFriday 17 July 2026312 peakSaturday 18 July 2026318 peakSunday 19 July 2026332 peakMonday 20 July 2026295 peakTuesday 21 July 2026288 peakWednesday 22 July 2026253 peakThursday 23 July 2026264 peakFriday 24 July 2026258 peakSaturday 25 July 2026297 peakSunday 26 July 2026267 peakMonday 27 July 2026257 peakTuesday 28 July 2026273 peakWednesday 29 July 2026232 peakThursday 30 July 2026233 peakFriday 31 July 2026224 peak

August 2026

31 days as the curve, each the highest figure that day. Behind it, 437 hourly samples from 13 Aug, which is as far back as the source keeps every hour. Weekends are shaded.

016432849265701 Aug06 Aug11 Aug16 Aug21 Aug26 Aug31 AugSaturday 01 August 2026240 peakSunday 02 August 2026259 peakMonday 03 August 2026231 peakTuesday 04 August 2026238 peakWednesday 05 August 2026246 peakThursday 06 August 2026217 peakFriday 07 August 2026418 peakSaturday 08 August 2026467 peakSunday 09 August 2026496 peakMonday 10 August 2026478 peakTuesday 11 August 2026493 peakWednesday 12 August 2026500 peakThursday 13 August 2026452 peakFriday 14 August 2026534 peakSaturday 15 August 2026608 peakSunday 16 August 2026589 peakMonday 17 August 2026441 peakTuesday 18 August 2026374 peakWednesday 19 August 2026309 peakThursday 20 August 2026308 peakFriday 21 August 2026281 peakSaturday 22 August 2026285 peakSunday 23 August 2026276 peakMonday 24 August 2026263 peakTuesday 25 August 2026254 peakWednesday 26 August 2026238 peakThursday 27 August 2026245 peakFriday 28 August 2026246 peakSaturday 29 August 2026238 peakSunday 30 August 2026237 peakMonday 31 August 2026187 peak

September 2026

12 days as the curve, each the highest figure that day. Behind it, 281 hourly samples. Each dip is a night. Weekends are shaded.

05711417122801 Sep03 Sep05 Sep07 Sep09 Sep11 SepTuesday 01 September 2026194 peakWednesday 02 September 2026178 peakThursday 03 September 2026185 peakFriday 04 September 2026211 peakSaturday 05 September 2026205 peakSunday 06 September 2026186 peakMonday 07 September 2026161 peakTuesday 08 September 2026146 peakWednesday 09 September 2026171 peakThursday 10 September 2026131 peakFriday 11 September 2026168 peakSaturday 12 September 2026194 peak

October 2026

SiNiSistar 2 was released on 15 May, 2026.

Not out yet.There is nothing to draw for this month.
Nothing here is interpolated or estimated; where a sample is missing the line is broken.

Game information

Updated 12 Sep 2026, 18:50 UTC
App ID
4466620
Last updated
20 May 2026 build 23317806
Developer
Uu
Publisher
Eroge Japan
Release date
15 May, 2026
Platforms
WindowsmacOS
Download size
1.70 GB1.85 GB
Install size
1.78 GB2.00 GB
Genres
Action, Adventure, Indie, RPG
Game modes
Single-player
Controller support
Partial
Achievements
26

Features & support

Steam features

Steam AchievementsSteam CloudFamily Sharing

Controllers & input

Partial Controller Support

Accessibility

Stereo Sound

Popular tags

Sexual ContentHentaiFemale Protagonist2DNudityMetroidvaniaGoreDark FantasyAction RPGAnimeRPGPixel GraphicsAdventureActionSouls-likeAction-Adventure2D FighterSingleplayerDarkAtmospheric
About this gameFull description from Steam
Overview Can you protect yourself from ruin and despair, or will you die and become part of the corruption...? Delve into a decadent world depicted with intricate pixel art inhabited by grotesque, writhing aberrant monsters. Play as a magic nun who sets out to battle cursed creatures in this dark action RPG! Story The land of Arsezon is quietly, yet surely, being led toward ruin by the covert machinations of an evil cult… Sister Lelia, the protagonist, along with Sister Hanya, throw themselves into battle to fulfill their sacred mission to defeat evil. Standing in their way however is cursed lands, cult followers consumed by madness, and powerful aberrant beings...A fate filled with death and blasphemy surely awaits them on the road ahead... Characters Lelia (Name can be changed freely in-game) The first member of the “Purifying Sisters” who possesses the power to exorcise evil. A wielder of strong purifying magic power, she has borne the harsh mission of exorcism since she was young. As a result, she is quiet and somewhat mature for her age. Hanya, the Supportive Sister The second of the “Purifying Sisters”, she primarily takes care of demon research and treatment of ailments. She supports Lelia from the sidelines as they both strive to overcome brutality together. Gameplay Level up, prepare your equipment, and observe enemy behavior to find their weaknesses as you switch between melee and magic attacks and carve a path to victory! Explore eerie worlds such as swamps, caves, and abandoned villages, and defeat the wide variety of imposing bosses that await beyond them. Should you fail to do so however, merciless death and ruin will befall Lelia, and she will ultimately become no more than sustenance for the rampaging monsters. Features Read your enemies and attack them with easy-to-use action combat to achieve victory. A satisfying battle system that makes use of both melee and magic attacks. Use RPG elements to increase your survivability through leveling up and collecting items. A game world filled with sub-events and items scattered throughout it. Six decadent and varied dungeons set in locations such as swamps, caves, and abandoned villages. A wide variety of unique bosses and enemies that attack the player in different ways. Dark, immersive art style that flawlessly combines hand created pixel art with 3D backgrounds. Replay function that allows for easy rematches with defeated bosses and lets you revisit cleared dungeons. A comprehensive gallery mode where you can view enemy information and even defeat animations. Various customization options such as key bindings, player name, and difficulty settings.
Content & age ratingsSteam content notice · 2 regional ratings

Content notice

This game contains the following pixel-art depictions: - General violence and horror - Grotesque monsters - Revealing outfits and increased skin exposure due to clothing damage

Regional ratings

DEJUS14Linguagem imprópria · Violência · Medo
IGRS18Penampilan Tokoh · Horor · Kekerasan
System requirementsMinimum and recommended hardware

Minimum

Minimum: Requires a 64-bit processor and operating system OS: Microsoft Windows 10, 11 Processor: Intel 10th Generation Core or higher Memory: 4 GB RAM Graphics: DirectX 11, or 12 compatible video card DirectX: Version 11 Storage: 2 GB available space Sound Card: Integrated Sound Chip

Recommended

Recommended: Requires a 64-bit processor and operating system

macOS

Minimum: Requires an Apple processor OS: macOS 15.0 Processor: Apple M1 Memory: 8 GB RAM Storage: 2.2 GB available space Recommended: Requires an Apple processor

Linux

Minimum: Recommended:
Supported languages5 languages
LanguageFull audio
Japanese
English
Simplified Chinese
Traditional Chinese
Korean

A blank audio cell means full audio was not marked in the returned language list.

Screenshots & trailersScreenshots and trailers

Trailers

AchievementsTotal count and selected achievements

26 achievements in total.

Show selected achievements (may contain spoilers)
Penetrating Arrow MagicAchievement
Exploding Arrow MagicAchievement
Owl MagicAchievement
1 Shot 3 KillsAchievement
StaurothecaAchievement
Abomination Broodling NannyAchievement
Gravekeeper.Achievement
Enenuth MotherAchievement
BackstabHidden achievement
Swamp Abomination BroodlingAchievement

View all Steam achievements

1 developer announcement in this snapshot · times in UTC

May

  1. Patch Notes Version 1.3.1

    - Fixed an issue where the game could become unable to progress under certain conditions when displaying the costume change mod list. - Fixed an issue where some Hard Mode settings were not being applied. - Fixed an issue where some sprites…

    Henteko Doujin

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