All hands on deck! We have a new captain. He will guide our ghost-ship through 28 levels in hostile seas. No fort will resist us. Remember! Their gold belongs to us.
A UFO has crash landed on the arctic research center. After making your way to the nearby factory you found it was overrun by aliens and almost everyone was dead. You escaped by chopper, but more drama is to follow..
You were kidnapped by terrorists and brought to a castle far away from the civilization. They force you to construct a nuclear bomb for their next big attack so it's your job to escape the castle.