Eatme.io is described as 'Eat other fish to grow larger and become king of the sea in this underwater, multiplayer eat-em-up. Different from agar.io, mitosis and other multiplayer games, EatMe.io lets you choose from 15 fish to play'. There are more than 50 games similar to Eatme.io for a variety of platforms, including Online / Web-based, Android, iPhone, iPad and Android Tablet. The best alternative is Agar.io, which is free. Other Eatme.io like games are Spore (Paid), Slither.io (Freemium), Osmos (Paid) and Thrive (Free, Open Source).
Blocker is a real-time MMO game. It feels like .IO game with RPG elements.. Pick a class, and between 4 competing teams. Your main objectives are capture or hold the outpost, and survive from monsters. Play with your friends and work together!!.
Fight other flowers for garden dominance. Florr.io is an online game produced by Zeach. It contains a rectangular map (garden) of increasing difficulty and enemies that you can fight to get special types of "petals".