Ninja Gaiden is known as a series of games with a very serious difficulty, and there are many challenging situations for players. Ninja Gaiden Trilogy is a game in this series. Ninja Gaiden (NINJA) is a series of games that ninja Ryu Hayabusa is the main character. Players control the blue Ryu Hayabusa ninja (red for the second player). Then lead him through various parts of the United States (such as New York City, Las Vegas and the Grand Canyon) to defeat an evil sect. This one led by a fictional descendant of Nostradamus, who was trying to fulfil his ancestor’s prophecy of the rise of an evil king in 1999. Players have many different techniques, such as throwing necks and flipping. Or gain power by throwing characters into a flat surface or hard ground such as throwing them on walls, streetlights, or trash. Although a sword can be used for a limited time to increase power, players most fight only by bare hands. Players can use their surroundings as a fulcrum to perform stronger attacks. The game takes place in different types of environments, mainly with only five types of enemies, all of which appear at every level (although some levels have a few more enemies as well). There are magic techniques called Ninja Arts (or Ninpo), to use ninja art, players must collect power.
