SpongeBob got into the underwater kingdom and now must fight the villain named Plankton. You are in a new exciting online game Plankton's Pernicious Plot will help Sponge Bob in this adventure. Before you on the screen will be visible to your hero, who will move around the location. Look around carefully. Traps and followers of Plankton will be waiting for your hero in various places. You control the hero will have to help the character overcome all these dangers. On the way, help him collect various useful items that SpongeBob can use on his adventure.