The Adventures of Robby Roto!

You play as Robby Roto, a red round fellow with spindly legs and wearing a miner's cap. At the start of each level, you are shown a maze-like path amongst hard stone which is then covered in dirt. You can burrow a path through the dirt areas and if you lose track of where you can go, small yellow arrows show you at each spot. Your goal is to free your friends, round yellow frowny faces in a box a…