 In both Story and Mission modes, game scoring is based on the player's speed in clearing encounters, the number of kills achieved, the number of unused ninpo spells remaining at the end, and the amount of cash collected.Players can compare their scores on online ranking boards.Tecmo announced at E3 2005 that Team Ninja was working on "Ninja Gaiden Black", and later exhibited a working version of the game at the TGS 2005.