Shoppers played a life-size version of the much-loved children's game Operation in Norwich's Castle Mall to mark the start of Organ Donation Week,
Passers-by attempted to save the life of the character Cavity Sam in under two minutes, meanwhile learning about the various organs of the body.
The event was organised by NHS Blood and Transplant, who teamed up with board game company Hasbro to highlight the importance of talking about organ donation.
Natalie Ashley, specialist nurse in organ donation at the Norfolk and Norwich University Hospital, said that the purpose of the game, which is being played nationwide this week in shopping centres, was to get families talking about organ donation, to 'get the conversation going' and to 'raise awareness' about the issue.
She said it was important for donors to tell their families they have registered for organ donation.
Tim Edwards, 38, who works at the radiology department at the NNUH, received his first kidney transplant in 2009 and his second at Easter last year.
He said he was taking part in Operation Donation because it is 'nice to feel I can give something back'.
Mr Edwards went on to say that letting people know you have registered to donate is as important as registering itself.
He said it is important to tell friends and family that you have done it.
Paula Catchpole, from Thurling Loke, who had just registered as a donor, said that her husband has been registered for years and that it is a 'good cause'.
'When I'm gone, they aren't needed and may help other people,' she explained, adding that, 'Lives are changed and saved by getting organ donations'.
Among those to 'operate' on the replica of Cavity Sam was Gracie Overton, 12, from Gorleston. Her mother, Angela, said that she has been donating blood since she was 18 years old and that she is always trying to get people to do the same.
The events of Organ Donation Week continue on Tuesday September 4 at 10.30am, with a bus launch at the NNNUH.
The double-decker bus will be completely covered in information about organ donation.
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