Your task in the game Mergetopia is to fill the location of the underwater world. To do this, you will use the merge function. Click on the bubbles, starfish will appear from them. Fusing two stars together will produce a shell, and merging shells will produce a crab. This way you will gradually fill the biome. You get seahorse, octopus and a huge variety of fish from small to giant. Each created creature brings coins, you can spend them to buy new inhabitants and fill the reservoir faster in Mergetopia.
