What kind of game is Sisters in Sin?
Sisters in Sin is a high-stakes adult strategy game and corruption simulator. You play as the Demon of Lust infiltrating a monastery to corrupt its residents through tactical management and dialogue choices.
Is the game free to download?
We provide a free repack version that includes the base game and all DLCs up to the 2026 expansion. You can download it directly from our mirrors or via torrent.
Does it run on Mac or Linux?
The primary release is for Windows. However, we provide Wine/Proton compatible versions that work flawlessly on Linux and Steam Deck. A native Mac version is currently in development.
I'm having "DLL missing" errors. How do I fix this?
Please ensure you have installed all the components in the "Redist" folder included in the download. Specifically, you need DirectX and Visual C++ Redistributables. Check our Installation Guide for more details.
How do I access the DLC content?
All DLC content is pre-activated in our 2026 repack. You will encounter the new characters and scenes naturally as you progress through the main campaign.