Complete the Dinki-Di Wasteland Mission

Drive the Magnum Opus off a Wasteland jump

Track down and apprehend the serial killer.

Destroy all of the militia watchtowers.

Sam immediately flicked the switch to set the lodge ablaze

Mike kept the wolf alive throughout the Sanatorium

Mike allowed Emily to stay in the basement

Mike cut off his fingers to free himself from the bear trap

Extinguish the fires in Gotham City.

Wayne vs Crane.

Obtain a key by completing the ninth Riddler trial.

Save the sacrificial victim and lock up the executioner in GCPD.