This is a game I have been working on for some time. It's basically a clone of Linx (the guy who made it is on these forums so hi). If you haven't played Linx (which you should), the point is simple: Connect colored nodes with nodes of the same color. Different colored lines can't cross. The main difference between Linx and my version is that here the nodes don't all need to be connected fully, you can have pairs or threes or fours (and so on) connected to each other but disconnected from the rest.
Here's a link so you can play it:
https://hopem.itch.io/link