Fortress

Fortress © 1979 Gremlin Ind, Inc.

Fortress is a raging battle between the enemy ship and the fortress standing nearby. You defend the Fortress from the assault by enemy cannonballs! Intercept and destroy the enemy by firing your cannons before the enemy hits the fortress. If an enemy cannonball gets by, it will blow away part of the fortress! the game ends when the fortress is completely destroyed.