 Ninja Gaiden III : The Ancient Ship of Doom is a side @-@ scrolling platform game in which the player controls the player character Ryu Hayabusa as he investigates the events behind Irene Lew 's death . In the game , Ryu can jump , hang , and climb up and down walls with the control pad ; pressing the jump button while holding the control pad the direction away from the wall causes Ryu to spring off the wall . Ryu is also able to attack enemies with secondary weapons while on a wall by pressing the attack button . A new feature introduced in Ninja Gaiden III is the ability for Ryu to hang overhead from pipes or ivy ; he can swing up on top or drop from them , and as with walls , he can only attack enemies while hanging with secondary weapons . 
