The naughty boy constantly pranked and did what he liked, and not what adults wanted. Once he climbed into the sewer manhole just for the sake of curiosity. Walking through the tunnels, he saw a strange green glow, and when he approached him, a strange metamorphosis occurred with the poor fellow - he turned into a lump of green mucus Gosma-Chan. This scared the hero seriously, and he wanted to regain his former appearance. But for this, he will have to go through the entire maze, open the doors and seep through the bars. Help the character solve all the puzzles. Press the levers to open the required flaps.