"Lights Out" game from "Pharo by Example - A First Application".

Open a playground window (Ctrl+O+W) and evaluate:

Metacello new baseline: 'PBELightsOut';
    repository: 'github:https://capsulecorplab/PBE-LightsOut:main/src';
    load.

Note: Evaluate by highlighting the text, then either right-click on the highlighted text and click Do it or press Ctrl+D.

Clone the repo:

git clone https://github.com/capsulecorplab/PBE-LightsOut.git
cd PBE-LightsOut

Download the 64-bit Pharo image + VM into the PBE-LightsOut directory and start the Pharo-UI:

curl get.pharo.org/64/stable+vm | bash
./pharo-ui Pharo.image

In the Pharo-UI, open a playground window (Ctrl+O+W) and evaluate:

Metacello new baseline: 'PBELightsOut';
   repository: 'gitlocal:https://./src';
   load.

Note: Evaluate by highlighting the text, then either right-click on the highlighted text and click Do it or press Ctrl+D.

Once the PBE-LightsOut package has been loaded into your Pharo image, start the game by evaluating the following:

LOGame new openInWindow.