Eat, grow discover new worlds and creatures. Follow the white arrows to find new locations. You are mastering the plankton all around the water, seeking other plankton edible to feed itself. Filled with all kinds of preys, your little creature is getting more powerful to others and you can even upgrade your body with longer section and be much stronger to defeat other predators. Ef is an action game, available on www.flash-games.net, for your spare time entertainment and relaxing. In the game, all around any stages, the plankton is growing as long as he starts to hunter, in this case, you can explore the underwater world, and score more. Have fun and good luck, don't be the food to other ones.