The world in which they live various forms of jelly creatures subjected to the invasion of aliens. Now they fly above the ground and bomb its surface with a cannon. You in the game Jelly Mergence will need to protect the terrain from hitting shells. To do this, carefully look at the playing field. When you click on it a jelly creature will appear. Then another exactly the same shape and color will appear. You will have to connect them together and then put them in a certain place so that they would beat off the shells falling from the sky.