Play Scooby-Doo: Mystery Chase online free game. A group of detectives which includes our funny Scooby Doo with his friend Shelley investigate mystical affairs. The group is summoned to a new crime scene in Scooby-Doo: Mystery Chase game. Our heroes will have to go to the cave, where a huge green monster appeared. We need to find out how he ended up there and what it is. In such investigations anything may happens and Scooby, as always gets into trouble. Help the dog get away from the monster by collecting sugar bones along the way. Play Scooby-Doo: Mystery Chase in all the types of devices and gadgets.