Koei Tecmo has surprise-released Ninja Gaiden 2: Black, an Unreal Engine 5 remaster of the Xbox 360 game.The remaster includes tweaks to the weapons upgrade system based on player feedback.Fumihiko Yasuda, head of Team Ninja, stated that this is the definitive version of Ninja Gaiden 2.The release sets the stage for the upcoming Ninja Gaiden 4 and a 2D spin-off titled Ninja Gaiden: Ragebound.