click the green flag to play click "more" for DMC DeLorean and click the sprites to choose ships to move and sink the ships you need to use the arrow keys and z to list left and x to list right with the Britannic, you can switch ships all you have to do is press a number key its full from one to zero. and with the Queen Mary you can switch the ships the same way as the Britannic
The background just changed the rest of it the same
