This is a plugin/template of a classic puzzle game called Nim.

Short description of a gameplay:

We have X amount of Piles that consist of Y amount of Stones.

Players take turns removing the Stones from the Piles. The one who does the last turn looses.

More detailed description: https://en.wikipedia.org/wiki/Nim

Can be used as:

 - a mini-game in a bigger project

 - a standalone game with the Nim mechanic