3 high speed ninja action titles are now available in one package!Enjoy 3 games from the NINJA GAIDEN series in this one title. Each title is still just as fun as you remember while providing the same high speed action of the original releases. NINJA GAIDEN Sigma (NINJA GAIDEN ) NINJA GAIDEN Sigma 2 (NINJA GAIDEN 2) NINJA GAIDEN 3: Razor's Edge