Nintendo Wars/Game Boy Wars 3

Unit Movement Types

 * Roads, Bridges, and all non-ruined buildings have a Movement Cost of 1 for any allied land or air unit. Harbors also be traversed by any sea unit at a Movement cost of 1.
 * If a Lander is on a Shoal, then any allied unit besides ships (except Landers), can cross the Shoal at a Movement Cost of 1 instead.
 * Sea units can't cross any ruined properties except for ruined Harbors at a Movement Cost of 1 each.