Any Game for 5 — Escape Plan, Shoreditch, London, UK

Escape Plan is based in Shoreditch — right in the heart of east London, close to Liverpool Street station. They offer four immersive historical escape rooms including The Battle for Britain, a WWII Luftwaffe invasion scenario for up to 8 players, The Adventure Begins, a Prisoner of War camp breakout, Pushed for Time, a 1920s time machine adventure, and Roll out the Barrel, a cheeky bar heist.
Battle for Britain is regularly named as one of the best rooms in London.