If I am honest I always thought this was a random attraction to have in London but decided to check it out using my Merlin annual pass.
It is a full immersive experience where a group of about 30-40 people move from room to room to be greeted by actors who help you along you way by in grossing you in the story.
The whole experience takes about two hours and 40 minutes to walk though and it finishes by meeting the ogre himself Shrek.
Here is a short video of my experience at Shrek’s Adventure. There was no filming allowed.
