“Left Behind” is a nick name of a creature in the space that has always left behind his own brothers. The player controls Bobo, the creature’s real name, which has to find his lost brothers, before they are gone again. He has to solve the puzzle that he will face until find them. Bobo and his brothers have been searching their land called “Reddish land” and in this journey, Bobo, has always left behind, so they have to come back and take him with them. He’ll have to use his logic and speed, and combine them with his abilities to survive and find his bros. In this trip, he will encounter several different obstacles like spacey Blades, Saws, Blocks, intelligent obstacles and so on. In every world (level) he left behind and this story lasts forever.