: Many players use the Ninja Gaiden Sigma 2 Black (NGS2B) mod to restore gore, blood, and rebalance the difficulty to match the original Xbox version. Quick Unlock Methods
: Found in Documents/KoeiTecmo/NINJA GAIDEN SIGMA 2 . Ninja.Gaiden.Sigma.2-CODEX.rar
: You can also download pre-made unlocker files or tools from community forums. : Many players use the Ninja Gaiden Sigma