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SiNiSistar 2

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!

Released May 15, 2026 Developer Uu Publisher Eroge Japan Platforms Windows · Mac Sexual ContentHentaiFemale ProtagonistNudity2D
View on Steam ↗ $11.24 (US · as of 2026-09-26)

What players say

Steam review score and the most-helpful voices, which may include critical ones. Score via Steam as of 2026-09-25.

90.6%positive3,784 reviews
Recommended · 26 found this helpful

“Very well done game. I started playing this right after finishing the first one and this game has improved in every aspect. You can tell that the developer really worked hard on this. I finished the game on hard mode and ng+, unlocked all achievements as well as all gallery…”

— a player, Steam review · 8 hrs played
Recommended · 32 found this helpful

“This game is very very fun too play dont get me wrong. But really its less of hentai genre and its more so gore and heavy gore. ive played the game for quite a bit and im sad and deeply disappointed that theres very little actual sexual sceans. I hope that the devolpers realease…”

— a player, Steam review · 3 hrs played
Recommended · 20 found this helpful

“played the whole game without realizing theres a R18 patch. i was too invested in the story that i forgot i was playing an eroge.”

— a player, Steam review · 4 hrs played
Read more reviews ↗

Player activity

Monthly average concurrent players. Live data self-collected from the Steam API · history through 2026-08 via SteamCharts.

3,236all-time peak
0 1k 2k 1.1k avg · May 2026

Achievement stats

Global completion rates across all Steam players — a data view of how far people actually get. Source: Steam official stats · as of 2026-09-26.

26achievements
47.1%median completion
11.4%rarest: Backstab
93.3% of players 68.8% of players 68.6% of players 65.1% of players 60.9% of players 58.3% of players 58.3% of players 57.7% of players 56.7% of players 55.1% of players 54.2% of players 51.3% of players 48.5% of players 47.1% of players 47.0% of players 44.3% of players 42.9% of players 41.5% of players 41.1% of players 41.1% of players 40.7% of players 38.8% of players 34.0% of players 25.9% of players 21.8% of players 11.4% of players 93.3% 0% most earned rarest
Almost everyone has
93.3%Abomination Broodling Nanny — Defeat Abomination Broodling Nanny.
68.8%Gravekeeper. — Defeat Gravekeeper.
68.6%Penetrating Arrow Magic — Learn "Penetrating Arrow Magic" ability.
Rarest badges of honor
11.4%Backstab — Hidden achievement
21.8%Staurotheca — Find the Staurotheca.
25.9%Seere — Hidden achievement

Price tracking

US-region pricing (USD), sampled twice daily by our own tracker since 2026-09-26. Steam prices vary by region — always confirm your local price on Steam.

$11.24−25% right nowcurrent · sampled 2026-09-26 21:12 UTC
$14.99base price
$11.24lowest since tracking began2026-09-26
US11.24 USD−25%
EU11.61 EUR−25%
UK10.31 GBP−25%
Australia15.71 AUD−25%
Canada13.49 CAD−25%
Japan1,860 JPY−25%
Brazil40.11 BRL−25%
China44.25 CNY−25%

Regional prices at last sample, in local currency — Steam sets each region's price independently.

China≈$6.6 Brazil Canada Australia US Japan EU UK≈$14

Cheapest → most expensive, converted to USD at ECB reference rates (2026-09-25). Relative comparison only.

Latest official news

Developer announcements via the Steam news API — links go to the original posts. More across all games on the news hub.

May 20, 2026
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 appl

Screenshots

Official Steam store screenshots — click any shot to enlarge.

Facts & details

From the Steam store record, snapshot 2026-09-25.

GenresAction, Adventure, Indie, RPG
Player tagsSexual Content · Hentai · Female Protagonist · Nudity · 2D · Metroidvania · Gore · Dark Fantasy · Action RPG · Anime · RPG · Pixel Graphics (Steam store community voting)
FeaturesSingle-player · Steam Achievements · Stereo Sound · Partial Controller Support · Steam Cloud · Family Sharing
LanguagesJapanese, English, Simplified Chinese, Traditional Chinese, Korean
Achievements26
Minimum system requirements (PC)

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