Lately, when I played with C#, I decided to remake it. The original games were written in Delphi (Pascal).
You can get the source from GitHub.
git clone https://www.github.com/klimenta/5ball
The goal is to match 5 or more balls in any direction. Once you do that, they’ll disappear. But, every move you make, three more random balls are dropped on the grid.
You can get the EXE from here.