You start the game when you're in Gunpowder Square, London (near Blackfriars station). You click on your unique access link in the 'Are you Ready' email you receive after booking.
Monday - Sunday : 09:00 AM - 07:00 PM
You can cancel up to 24 hours in advance of the experience for a full refund.
up to 24 hours before the experience starts (local time)