Tenchu

Tenchu: Stealth Assassins (1998)
1 Tenchu: Stealth Assassins (1998)
Tenchu 2: Birth of the Stealth Assassins (2000)
2 Tenchu 2: Birth of the Stealth Assassins (2000)
Tenchu: Fatal Shadows (2004)
Tenchu: Fatal Shadows (2004)

https://en.wikipedia.org/wiki/Tenchu