Purple Tentacle, one of the crazy Dr. Fred's creations, drinks contaminated water from Dr. Fred's Sludge-o-matic. He mutates into an insane genius and grows arms, and now he's plotting to take over the world. In an effort to stop him, Dr. Fred sends three friends, Bernard, Hoagie and Laverne back in time to yesterday, in order for them to turn off the Sludge-o-matic and stop the sludge from spilling into the river, thus preventing the whole incident.

Please note you can change the character you are controlling with keys 1 to 3, even though the user interface doesn't say anything.

These hints don't contain the hints for the Maniac Mansion game inside the game. But you can edit these hints, if you would like to write them.