 Players can use this technique to get Ryu to climb up spaces between walls and columns by holding down the jump button and alternating between left and right on the directional pad.He can also climb a single wall vertically by springing off it and then quickly pressing the directional pad back towards the wall.Tecmo first announced the Famicom version of the game in the January 15, 1988, issue of "Family Computer Magazine" under the title "Ninja Gaiden" (which would later be used for the game's American version).