It tooks some work, but I got Dragon’s Lair working on the RetroPie setup. I bought the “Dragons Lair 20th Anniversary” CD set for the licensing.

Here is an image of the game running: Prototype1

It is tricky to setup as you need to install and configure the Daphne Emulator, which is an emulator for Laser Disc based games.

Here’s a how to on installing it: