I Am Arthur Clark
Complete the game in one sitting without dying
50
Old School
Complete the game without dying once
40 
"To Hear the Tumult of Children"
Complete the game
20 
Speed Demon
Beat the Rooftops north of Bayswater Road in under 3 minutes
10 
3.711 m/sĀ² != 9.780 m/sĀ²
Destroy a Drone using a pushable object
10 
Sole Survivor
Escape Bathurst Mews using first NPC targeted by Tripod
10
A Ninja In Tweed
Cross Hyde Park North without dying once and being spotted by a single Drone
10 
Selfless
Give Jenny the gasmask
10 
Follow me!
Free all prisoners from holding pens in Martian Cylinder
10 
Martian Exterminator
Complete Hyde Park level
10 
Light in the Darkness
Complete London EC4 Underground
10 
Home again, home again
Complete Stamford Street, South Bank level
10