Tickets Standard entry for 1 adult (17-64) Reduced price standard entry for 1 child (5-16) Reduced entry for 1 person (students under 21, military personnel, emergency service workers, seniors with valid ID) Free admission for children under 5, no ticket required Highlights Explore a once top-secret WWII bunker ️ Discover the role Derby House played in plotting victory during the Battle of the Atlantic Get a tour and see a first generation 3D-simulator Includes admission to the museum General Info Date: various dates available (select during purchase) Opening hours: 10 a.m. - 5 p.m. Location: Computer Games Museum Age requirement: all ages welcome! Accessibility: visitors with reduced mobility can access some rooms on upper floor via a different route You will find more information about your booking in your Fever ticket and confirmation email Description Derby House was a key operational hub during World War Two. Where you once had to sign the Official Secrets Act to enter, now you just need a smartphone ticket! This labyrinth-style bunker, originally the nerve-centre for the war-defining Battle of the Atlantic, is just as it was in 1945. Now home to the Western Approaches Museum, it\\\'s a time-capsule hidden beneath Liverpool City Centre.