KBlackbox is a game of hide and seek played on a grid of boxes where the computer has hidden several balls. The position of the hidden balls can be deduced by shooting beams into the box.
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.
Enable snapd
On Debian 9 (Stretch) and newer, snap can be installed directly from the command line: