The Harpsichord Riddle app for iPhone and iPad

Mobile gamebook featuring an interactive musical adventure in the real (really real?) world.

Table of Contents
* Chapter 1: The Old Door
* Chapter 2: Midhir Castle
* Chapter 3: Aengus Og
* Chapter 4: Stuck in the Hotel
* Chapter 5: Deirdre Castle
* Chapter 6: Pumpkins
* Chapter 7: Diarmuid Castle
* Chapter 8: The Nightmare
* Chapter 9: The Metal Chest
* Chapter 10: Solving the Riddle

Usage instructions:
* Turn the device to the left (right) for a full-screen view of the scene image (text).
* Press the action button on the right to proceed to the next scene.
* Shake the device to repeat the scene soundtrack tune.
* Use the volume slider to set the soundtrack volume.