The Kraang won… you were able to get Leo out of the portal but so did the Kraang leader, causing everyone to turn into Kraang zombies

Luckily, you, the turtles, Splinter, April, Casey and other survivors were able to escape and live in a bunker

You are currently on a mission to scout the city for Kraang zombies April: “West end of city is clear! Over!” She says over the walkie talkie Raph: “Copy that April! What about you Donnie? Over!” He replies over the walkie talkie Donnie: “This end is clear! Over!” Leo: “Same for here! What about you y/n? Over!”