Then include another two to four ports for management purposes.

The port includes additional content including four new areas not available in the original release.

Some ports include certain features not present in the arcade version.

Ports should include the entire skin surface 15 cm above the lesion.

Some ports of the game include a split-screen two player mode.

The port also includes a number of new additions.

The port also includes a 100,000-dwt dry dock and slipway facility.

The later port to the Master System included some level changes, and no story cut-scenes.

The expansion plans for the port include extensive new terminal access points and connecting roads.

Important smaller ports and transit points on the routes included: