This is the Atari 8bit port of Pooyan. The description comes from the back of the box ...
"Bring all the excitement and fun of POOYAN into your home. Experience the colourful hi-res graphics, fast action, and arcade-style play on your home computer."
"it's a game of quick reflexes and fast thinking as you battle a pack of vicious, hungry wolves in order to protect your helpless piglets roaming the forest ..."