Travel on the Orient Express and discover Europe: London to Istanbul. First remove all colored background. You can choose between 3 games modes. Click: click connected groups of 3 or more items. Switch: switch 2 items and make a row/column of 3 or more of the same items. Connect: connect items by selecting and dragging and create a groups of 3 or more. After that move the key to the key hole by removing items and rotating the playing field (arrow keys).