Freddi Fish 2: The Case of the Haunted Schoolhouse. Freddi Fish and Luther's Maze Madness. Freddi Fish and Luther's Water Worries. Freddi Fish 3: The Case of the Stolen Conch Shell. Freddi Fish 4: The Case of the Hogfish Rustlers of Briny Gulch. Freddi Fish Free Online Games. Travel Details: Freddi Fish Complete Pack is a series of children’s adventure games developed and published by Humongous Entertainment.The series began in 1994. Freddi Fish is an anthropomorphic yellow fish who takes on detective investigations throughout the series of games.