Scooby Doo is celebrating his birthday, he is five years old, and this is a round date. The hero decided to have a grand party in an old mansion, gathering all his friends. On the eve, he ordered a huge three-story cake with candles and was about to meet the guests, as the lights suddenly went out, and when he lit the luxurious cake was gone. Without the main delicacy, the holiday will not take place and the hero went in search. Help Scooby get through all the halls and rooms, this house is like a huge maze. Beware of ghosts and bats, use the boxes to build bridges, find the keys to open the locked doors in 5 Year`s Scooby-Doo! Birthday Boo Bash.