When dealing with "Gallery Unlockers" or "Cheat Patches" from unofficial sources, you should be aware of the following:
Always backup your save folder before applying any third-party unlockers. If you are concerned about security, you can open the .rpy files with a text editor (like Notepad++) to ensure no malicious "web-requests" or "file-deletion" commands are present in the script. AHouseInTheRift-0.5.12r2-GalleryUnlocker.zip
Script files that override the game's logic. When dealing with "Gallery Unlockers" or "Cheat Patches"
This file, is a community-made "mod" or patch designed for the adult-oriented game A House in the Rift . revision 2 of the game.
The 0.5.12r2 tag indicates it is specifically tailored for version 0.5.12, revision 2 of the game.