Piu-Piu-Sh: ‘Shoot Them All’ Game in Bash Posted by andrewshadura on Monday December 25, 2017 @06:16AM from the github.com dept. https://github.com/vaniacer/piu-piu-SH ( 9 comments | 89 points | on HN )
https://habrahabr.ru/post/335960/
https://habrahabr.ru/post/337896/
That said, it's nicely commented.
https://github.com/zenoamaro/arkanoid.sh
The 'sh' is only a hint about the language (shell).