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