I understand from your project description that you are looking for someone to complete the code so that it works as follows:
1. The code in the initialize() procedure of the Gosu window should be completed to set up cells that are connected to each other with variables joining each cell to its neighbours (using references).
2. Each cell clicked on should turn yellow.
3. Once this is working (or perhaps before) add code to print out each cell and indicate whether the reference to the neighbour on each side is nil or not, as per the following:
I have an extensive background in Photoshop Coding which would make it easy for me to complete this project. My skills include vectorization ( remake, redraw, revisit), logo design, business card design, PDF editing/converting/editing/removing backgrounds/changing photos/erasing backgrounds/removing backgrounds etc.