Ninja Gaiden 2 has mostly been a big hit for Team Ninja, but it seems that the team's work isn't quite done. It recently confirmed that a big update for the game is planned for mid-February that will add "additional features".

Ninja Gaiden 2, Sigma, and Black have key differences you should know before purchasing one, so here’s a comprehensive comparison.

This may not quite be the definitive version, but it's still a gorgeous improvement to an excellent action game.