Move through a gauntlet of red obstacles while collecting yellow crystals to increase your score. Choose between 2 game modes - make it through the course with as few deaths as possible or see how far you can get with one single go.
Use a legendary forbidden sword to complete missions as you slash through an infinite army of ninjas. Although the sword grants tremendous power, it must constantly feed on blood - whether it be that of enemies or of the wielder himself.
An alien invasion has left the world in ruin with the remainder of the human population hiding underground. Brave the dangers of the surface as you scavenge for supplies and take on the alien opposition.