A simple game of Cubes by Razor1911. (I am not affiliated with Razor1911 nor did I make or have any involvement in making this game, I just think it's a cool little game.)
Snaps are applications packaged with all their dependencies to run on all popular Linux distributions from a single build. They update automatically and roll back gracefully.
Snaps are discoverable and installable from the Snap Store, an app store with an audience of millions.