This is a HTML5 clone of Jelly no Puzzle, an excellent puzzle game that was released for Windows only. The game design and levels are taken directly from that. If you can run the Windows version I highly recommend it as it has a lot of great extra details.
This is a port of martine's CoffeeScript version to ES6 with some bug fixes included.
How to play: drag the jellies left or right. When jellies of the same color touch they merge. Your objective is to unify all jellies of the same color.