Yam is back in 3D! After the surprise success, Yam returns on the screen with YAM II- Return of the Killer Potato. Now is on you to lead the Potatos across their homeworld in a series of strategic strikes on enemy strong holds, supply lines and bases. YAM II : Return of the Killer Potato takes place a short time after the end of the previous installment, Yam the Killer Potato. With the apparent defeat of the enemy leader, Galdov, the Potatos have regained their confidence in winning the war and have uncovered a secret hidden on their own homeworld! Four Crystals known as the Fire, Time, Space and Reality Crystals were being hunted by the alien invaders. However thanks to the bravery of a Potato called Yam the Crystals were kept out of enemy hands.