A complete play order for the Ninja Gaiden franchise — Tecmo's classic 1988 NES trilogy featuring Ryu Hayabusa's cinematic platforming action, and Team Ninja's acclaimed 2004 reboot series (confirmed by director Tomonobu Itagaki as set two years before the NES games) through Ninja Gaiden 4 (2025). Covers both the classic Tecmo era and the modern 3D action series, including Sigma variants, Dragon Sword, and spin-offs.