Bulletstorm Walkthrough - Act 5 - Chapter 3: Part 3
1Full Walkthrough: http://www.gamefront.com/bulletstorm-walkthrough/
Head into the building. Use the Dropkit to the right (equip yourself with the Boneduster), then pull the nearby lever to open the bay door. Walk outside and hold LT when prompted to. Quickly look to the right and kill the Burnouts climbing over the rubble.
Use your leash to pull down the bus, then hold LT right after your cross. Before you can get to whatever that is causing all that damage from underground, kill the wave of attacking Burnouts.
Advance and kill the next group of Burnouts. The Boneduster will work best for this. Finish off the last one, the hold LT when prompted to. Kill the Burnout, then hop over the wall.
Kill the next group of Burnouts in this area. Move over to the right of the hole in the road and kick the bumper of the car to get across. Walk to the edge of the road and hold LT when prompted to.
Holy Hekaton! Right when the elevator door opens, hold LT. Shoot the red gas can near the Banshee to wipe all the majority of the enemies.
Full Walkthrough: http://www.gamefront.com/bulletstorm-walkthrough/