S2
SiNiSistar 2Official Guide
Dark Fantasy Background
2026 Latest Version
v1.3.1

Gothic Girl & Devil's Castle 2

SiNiSistar 2

Updated: 2026.07.03 • Full Version • R18 Patch

An action RPG themed around despair when defeated by enemies, and a longing for ruin and death. Embark on a thrilling adventure in a gothic-style Castlevania and experience the ultimate full-motion ACT combat.

18+
Adult Content Warning

Adult Content Warning: This game contains adult content. You must be 18+ to enter.

Full Motion ACTOfficial EnglishPC Platform4GB Storage
Download NowSTART ADVENTURE
Release Date2026.07.03

Core Resources

Game Chapters

Complete chapter guide from the cursed town of Alsezon to the Cathedral peak

Strategic Intelligence

Targeted guides for veteran hunters

New Content v1.2.1

Enhanced Sprite System

Experience a new level of immersion with the v1.2.1 update. We've introduced a sophisticated 'Tachie' sprite differential system, allowing for detailed character customization, including new brown hair options and custom sprite MOD support.

  • Steam Version Official Launch Support
  • New Protagonist Outfits & Enemies
  • Enhanced Language Mod Functionality
LEARN MODDING BASICS

User Reviews

4.7
Average Rating
2,847
Review Count
98%
Recommended
Beautiful GraphicsSmooth ControlsRich StoryChinese FriendlyWorth Playing

"Compared to the first game, there has been tremendous progress. The graphics are even more beautiful, and the character design is more mature. The New Game+ mode gives the game great replay value."

Player A

Steam User

2026-06-20

"The official Chinese version has very high quality. The translation is accurate and smooth. The game's action design is very distinctive, and the exploration elements are also very rich."

Gamer Enthusiast

Forum User

2026-06-15

"A masterpiece indie game! Unique art style, innovative gameplay, and very frequent updates. The developers are very dedicated. Highly recommended!"

Indie Game Fan

Bilibili User

2026-06-10

Version History

v1.2.12026.07.03

Final Steam Release & Complete Optimization

"The definitive version featuring full Steam integration, enhanced graphics, and complete localization support."

File Size4.5GB
PlatformWindows 10/11
Update Content
  • Full Steam platform integration with achievements and cloud saves.
  • Enhanced character sprite system with detailed differential variations.
  • Improved gallery experience with new animation unlocks.
  • Optimized performance and loading times across all areas.
  • Fixed all reported stability issues from the community.
  • Added new secret boss encounter in the hidden dungeon area.
  • Enhanced combat system with improved hit detection and feedback.
v1.2.02026.01.13

Hotfix & Asset Update

"Addressing minor bugs and missing assets after the Steam release."

File Size4.3GB
PlatformWindows 10/11
Update Content
  • Fixed an issue where the menu screen would freeze under certain conditions.
  • Fixed an issue where the Hunchback would not speak under certain conditions.
  • Added missing images without tights for character customization.
v1.1.12025.09.10

Security & Compatibility Fix

"Critical security and compatibility fixes for a smoother experience."

File Size4.2GB
PlatformWindows 10/11
Update Content
  • Addressed Unity security vulnerabilities.
  • Fixed an issue where progress could become impossible if the mod folder was missing.
v1.1.02025.07.18

Major Content Update: New Game+

"The largest expansion since launch, introducing the highly anticipated New Game+ mode and enhanced sprite customization."

File Size4.2GB
PlatformWindows 10/11
Update Content
  • Implemented 'New Game+' mode - carry over levels, relics, and equipment.
  • Added 'Tachie' sprite differential system for deeper character customization.
  • New customization option: Brown Hair variant for Sister Lelia.
  • Introduced 2 new Mid-Bosses in the Alsezon Cathedral outskirts.
  • Added 13 new high-quality animations to the Gallery.
  • Official MOD folder support for custom sprite replacements.
v1.0.72024.06.15

Performance & Gallery Optimization

"Focusing on engine stability and user interface smoothness for a more fluid experience."

File Size4.0GB
PlatformWindows 10/11
Update Content
  • Optimized GPU memory usage during intense combat encounters.
  • Improved Gallery scrolling performance for long animation lists.
  • Fixed Boss minion spawning logic that caused occasional frame spikes.
  • Adjusted Owl Magic flight physics for better aerial control.
  • Enhanced auto-save reliability during zone transitions.

Common Questions

Frequently Asked Questions & Support

Which operating systems are supported?

SiNiSistar 2 is optimized for Windows 10/11 (64-bit). Although it also supports Windows 7/8, additional Visual C++ redistributables may be required to ensure stability. We recommend Windows 10 or higher for the best experience.

What is the minimum hardware configuration to run the game?

The minimum requirements are an Intel Core i3 or equivalent processor, 4GB of RAM, a DirectX 11-compatible graphics card (like GTX 760), and 4GB of available storage space. Using SSD storage and an RTX series graphics card is recommended for better performance and visuals.

How to install and launch the game?

After downloading and extracting to any folder, you can directly run the main program. No complicated installation process is required, supporting portable green operation. Visual C++ runtime may be required for the first launch.

Does the game support controller operation?

Yes, the game fully supports Xbox, PlayStation (DualShock/DualSense), and most universal DirectInput controllers. At the same time, keyboard players can freely customize all key positions.

Does the game support MOD functionality?

Starting from v1.1.0, the game officially supports sprite differential MODs. Players can customize the character appearance and sprites by placing MOD files in the designated folder in the game directory and enabling them in the settings after launching the game.

What is the 'New Game+' mode?

Unlocked after the first playthrough. NG+ allows players to restart with their previous levels, relics, and some core equipment inherited, challenging tougher enemies and experiencing different flow details and hidden content.

What is the game's chapter structure like?

The game is divided into three chapters: Chapter 1 (The Cursed Town), Chapter 2 (Maze Exploration), Chapter 3 (Final Showdown), and includes rich side quests. Each chapter has unique enemies, bosses, and key items.

How to save game progress?

The game features a comprehensive save system. Players can save their progress at save points throughout the game. Multiple save slots are supported, so you don't have to worry about losing progress. We recommend saving before important choices.

How is the game difficulty?

The game has moderate difficulty - challenging but not too hard. The combat system is smooth, and players can master skills through practice. If you encounter difficulties, you can complete side quests to improve your character's abilities, or refer to guides for best routes.

What is the Cursed Town?

Alsezon is the cursed town, serving as the game's starting point. Here players will become familiar with basic controls and the combat system, beginning their journey of fighting demons.

What does Owl Magic do?

Owl Magic is an important mobility skill that allows players to glide in the air, cross large gaps, avoid ground traps, and maintain aerial superiority in battle. It's found in a chest in the southeast corner of the Demi-human Base.

How to get the strongest weapon?

The Blessed Judah's Staff is the strongest weapon in the game, obtained through a hidden quest: Find the recipe in the Cathedral Library, have Hanya craft the Scivias Powder, then use it between the two black pillars outside the Demi-human Base to summon the hidden Boss and defeat it.

Game Features

Exquisite Character Design

Nine-head proportion character design with gothic clothing. Each character has unique charm and background story.

Stunning Visuals

Utilizing latest graphics technology to create breathtaking visual effects and mysterious gothic scene designs.

Free Exploration

Open Castlevania world where players can freely explore various areas to discover hidden secrets and treasures.

Rich Enemy Variety

Diverse enemy types, each with unique attack patterns and weaknesses, providing a challenging experience.

Official Multi-language

Full official support for multiple languages including text, voice, and interface for a localized experience.

New Game+ Mode

Unlock New Game+ mode after clearing to carry over equipment and skills, challenging tougher enemies.

1,500,000+
Total Downloads
85,000+
Active Players
98%
Positive Rate
24h+
Avg Play Time

System Requirements

Minimum Requirements

  • OSWindows 10 64-bit
  • ProcessorIntel Core i5-4460 / AMD FX-6300
  • Memory8 GB RAM
  • GraphicsNVIDIA GTX 760 / AMD Radeon R7 260x
  • DirectX VersionVersion 11
  • Storage4 GB Available Space

Recommended Requirements

  • OSWindows 11 64-bit
  • ProcessorIntel Core i7-8700K / AMD Ryzen 5 3600X
  • Memory16 GB RAM
  • GraphicsNVIDIA RTX 3060 / AMD RX 6600 XT
  • DirectX VersionVersion 12
  • Storage4 GB SSD Recommended

Join the Sisterhood

Experience the definitive version of Lelia's journey. Get the game on Steam now and master the gothic darkness.