Knytt Stories doesn't have a specific plot. Instead, each level is its own little adventure. A level called 'The Machine' is included with the game, where you have to stop a machine that draws the life out of the planet. An official expansion pack is also featured at the website with four original levels.
Knytt Stories is a 2D platform game that runs on Windows 2000, XP, and later.
Name: Knytt Stories
Download: From the download page.