The War Of The Worlds [Xbox 360]

Achievements
Complete the following achievements to unlock Xbox Live Gamerscore points.
"To Hear the Tumult of Children" (20 points): Complete the game.
Old School (40 points): Complete the game without dying once.
I Am Arthur Clark (50 points): Complete the game in one sitting without dying.
Speed Demon (10 points): Beat the Rooftops north of Bayswater Road in under 3 minutes.
3.711 m/s² != 9.780 m/s² (10 points): Destroy a Drone using a pushable object.
Sole Survivor (10 points): Escape Bathurst Mews using first NPC targeted by Tripod .
A Ninja In Tweed (10 points): Cross Hyde Park North without dying once and being spotted by a single Drone .
Selfless (10 points): Give Jenny the gasmask.
Follow me! (10 points): Free all prisoners from holding pens in Martian Cylinder.
Martian Exterminator (10 points): Complete Hyde Park level.
Light in the Darkness (10 points): Complete London EC4 Underground.
Home again, home again (10 points): Complete Stamford Street, South Bank level.