Altered Beast > Nintendo NES

Take on the shape of a badass human warrior, busting out of the seams with muscles, and then enter an ancient world of death and murder! You must fight through monsters and zombies to increase your powers and then at the right moment you can transform into a powerful beast that will rip and smash through enemies with great power and furious energy! Use your many forms to fight through the enemy hordes and return the world to peace once again.

More awesome and crazy Altered Beast action is waiting for you in the PRG archives, just slide on over to transform yourself by playing Altered Beast, Altered Beast - Guardian of the Realms and the amazing Juuouki - Altered Beast! Roooaar!