Games like Samurai Warrior

If you finished Samurai Warrior, the closest matches are Demon Slayer: Kimetsu no Yaiba - The Hinokami Chronicles, Kill la Kill: If, Cobra Kai: The Karate Kid Saga Continues, Ninja JaJaMaru: The Great Yokai Battle + Hell and Retro Fighter: Dragon's Revenge. All 6 share its adventure genre and are ranked by how closely their themes and modes overlap.