Video: Here's a very cool concept with a great execution by the YouTubers at Many A True Nerd. They have created a Choose Your Own Adventure-style series following the story of Fallout: New Vegas, but instead of turning the pages of a book, you progress by clicking through annotations at the end of each clip. The goal is to reach Vegas alive by selecting the right routes, choosing the best allies and not getting killed by Deathclaws in the first few clips. There are multiple ways to get there, just like in classic Choose Your Own Adventure books.
Here's the start below. Since it's a whole web of video links it requires annotations to be enabled, so it might not work on mobile devices.