Each LTS release of Ubuntu, could include a unique game, the theme of which, would be the mascot of given release. On the other hand, the world Linux - historically speaking - has had to deal with primary issues, such as basic compatibility, therefore it is understood the focus upon secondary matters, has not been there. The question is, whether nowadays, the thing does make any better sense, also whether still there are resources to obtain such potential products, since these ought to be - I believe - open source, which makes things tougher.
