start the game with three submarines. Guide your submarine with
the mouse pointer. Press the mouse button to fire a torpedo upward
toward the surface. Press the keyboard space bar to fire a torpedo
to the right. Since it takes your crew some time to reload the
torpedo tubes, you are allowed a maximum of one torpedo at a
time in each direction.
the submarine captain, you must destroy all ten of the merchant
ships in the top row before you can move on to your next mission.
Try not to torpedo hospital ships. It's a violation of international
law--and the consequences can be pretty immediate. Skillful maneuvering
will be necessary on advanced missions in order to survive exploding
depth charges, hostile torpedo fire, and magnetic mines.
sub has a limited supply of fuel and torpedoes, and must be resupplied
frequently. A supply sub will pass by occasionally near the ocean
bottom and release a trained dolphin carrying fuel and torpedoes.
By making contact with the dolphin's supply pack, you can resupply
your vessel. Whatever you do, don't torpedo the dolphin!
He has many friends in these waters, and they won't take too
kindly to it.