Abaddon: Princess of the Decay
Updated to v1.0.4
Updated April 14, 2026 4:43 am (2 months ago)
Abaddon: Princess of the Decay is a pixel graphics horror puzzle role-playing game where players build a character, take on quests, and push through story-driven challenges. It stands out for tense atmosphere, and focused moment-to-moment design, especially if you enjoy role-playing experiences with a clear identity.
Abaddon: Princess of the Decay overview
Welcome to Ayakoji Mansion... Nestled deep in a dark forest and rumored to be full of sex, sin, and mystery, many have tried to discover the secrets within its walls...
Professor Yamanobe, a close friend of the mansion's owner, brings a small team of students to uncover the truth behind the mansion's curses when they suddenly go missing.
Enter Homura, son of Professor Yamanobe, who has recruited his small group of friends to scour the mansion with him in search of his father.
Will they be able to find his father and escape alive? Or will they suffer an unthinkable fate...?
- Play in the style of a classic turn-based RPG complete with puzzles and horrors around every corner.
- Over 170 CGs with pixel art and full color variants are available for you to unlock!
- Manage your fear by confronting your phobias or using various items to calm down, lest you lose control and succumb to the horrors of the Ayakoji Mansion!
- Don't lose all your hearts or go berserk more than three times! For you, it spells Game Over, for your party members it spells Permanent Death.
- You are free to romance any of the members of your party, more than one at a time...
- Interested in romancing another boy in your party? Simply go to the Options menu, accessible from the title screen and in-game to switch BL: On
- Don't stop when you've only explored the mansion once! New Game+ unlocks new areas, special items, clues, routes, and endings.
This Game may contain content not appropriate for all ages or may not be appropriate for viewing at work.
Will this game run on your PC?
Minimum
- System:
- Processor: Intel Core2 Duo
- Memory: 256MB RAM
- Graphics: OpenGL 2.0 or DirectX 9.0c compatible
- Storage: 1 GB
Download, Install, and Play
- Click the download button to get the link. You'll be redirected to our link generator.
- Once you're there, you can either copy the link or open it directly.
- Before you begin, make sure you have a supported client installed.
- Download Abaddon: Princess of the Decay v1.0.4 +Decensor_Patch (latest). Wait until it is 100% complete, then locate the files.
- Install the game:
- Run or double-click
setup_********.exe. - If a DLC folder is included, run any
.exefiles inside it as well.
- Run or double-click
- After the installation is complete, launch the game and start playing.
- Enjoyed the game? Consider purchasing it from the official store to support the developers.
Need help?
Check our FAQs for common questions and fixes. If you need additional assistance, you can also visit the official GOG Support Center.
Thank you !!!!