Wolf Pack

Description
Wolfpack is a 1-player arcade game for the VIC-20.
The player controls a submarine that tries to defend from another underwater vehicle as well as destroy a large surface vessel. There are 9 skill levels. The submarine can shoot in the cardinal directions. The underwater vessel moves continuously towards the player from the top left corner and must be repeatedly destroyed, but does not provide points. The large surface vessel releases depth charges deep into the ocean, and awards 200 points when destroyed. The player has 3 submarines per game.