The Joker has transformed ordinary citizens of Gotham City into laughing accomplices, and the reader must help Batman choose how to defeat his rapidly multiplying enemies.
In the middle of summer, Mr. Freeze blankets Gotham City in a blizzard, and the reader must choose how Batman will thwart him and bring summer back to the city.
Poison Ivy takes over a seed bank at the Giordano Botanical Gardens where her powers are greatest, and it is up to the reader to choose Batman's path as he tries to prevent her from stealing the historical and priceless plant seeds.