This is the walkthrough part 14 for the mission Tower Defiance featuring Batman, Robin, Green Lantern, and Cyborg trying to stop the Joker from destroying the Wayne building.
Citizen in Peril
Use Green Lantern to fly over to the far left on the roof to save a citizen harassed on the top level of the structure over there.
Get the big black object at the very start of the level with Lexs Deconstructor then put the bricks back together using the Flash.
Use Cyborgs laser eye to eliminate the gold object at the start of the stage.
Clean up 5 bits of Joker graffiti with Aquaman.
Get minikit which is on the far right side of the 1st floor.
Pass the gold door on the 2nd floor to find minikit.
Find minikit located on the 3rd floor next to the magnet track.
Step up the 4th floor that is the one right after the elevator shaft on the left side of the building next to the big in blue electrical conduit to find minikit.
Send Poison Ivy through the Flower Pad on the 4th floor to get grafiiti inside the last bit of Joker.
Ride the little rocket ship on the 2nd floor to find minikit.
Walk inside on the door to the right of the Batwing and deconstruct the vehicle itself with Lexs Deconstructor to get the Minikit inside.
The minikit is hiding in the room behind the Electricity Suit Pad.
Send Poison Ivy through the Flower Bed on the 4th floor to eliminate the four purple balls inside.
Checkpoint On the Roof
Look at the right side of the roof then fill the tank with water from Robins Hazard Suit to get the Minikit floated out of the tank over on the left.
Destroy the objects on the level beneath the Citizen in Peril.
Remove the covering object located to the right of the orange missile launcher with Lexs Deconstructor then build over on the left side of the roof located on the giant robots third location.