For those having trouble
If your having trouble avoiding the bull, what you have to do is taunt it first (shift key) afterward the bull will charge a short distance in a straight line. At that point you have to move quickly out of the way.
As for the game, clever idea. I enjoyed the retro style graphics, however the game was too repetitive for my taste. Not allowing that to offer a bias to my review I have to say good job overall.
Final: Above average B-