Stage Practice Mode:
During the opening screen, hold down the A, B and C buttons and press START. You can then practice any level that doesn’t have a boss.
Trophies:
Bronze trophies
Beautiful Assassin – The dancing lady in Chinatown must not be defeated!
Behold! Emblem of Blue! – Appreciate the SEGA logo.
Impenetrable Wall – Guard 10 attacks with your cross-guard.
Miraculous Ninja Arts – Use all four types of Ninjutsu in one game.
Shinobi Has Fallen – How was that dive into the waterfall?
Shinobi Watches – Stand atop the brick pillar in 3-1. Ninja style!
Shuriken Rain – Use 300 Shuriken.
Shuriken Starburst – Demonstrate Joe Musashi’s 8-way Shuriken Attack.
The Traps of Neo Zeed – Trigger 10 bombs.
Silver trophies
A Clash With Evil – Defeat the Round 1 boss without using the 8-way Shuriken Attack.
Brawn Over Ninjutsu – Finish 6-1 without using any Ninjutsu.
Gold trophies
For Naoko. For peace. Shinobi forever! – Rescue Naoko without using a continue.