Ninja Spirit (TurboGrafx-16)

Ninja Spirit
Also known as: Saigo no Nindou: Ninja Spirit Developer: Irem Publishers: Irem (JP/EU/AU), NEC (US) Platform: TurboGrafx-16 Released in JP: July 6, 1990 Released in US: 1990 Released in EU: May 11, 2007 (Wii Virtual Console) Released in AU: July 30, 2007 (Wii Virtual Console) This game has a hidden developer message. This game has a hidden level select.

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Level Select

At the title screen, press II, I, II, II, I, II, then hold Select and press Run to replace the sound test in the main menu with a level select. Press I to toggle the level to play, from 1 to 3. Levels 4-6 can be selected by additionally holding Select+Run.

Developer Messages

Mr. Heli

At the title screen, press I, II, II, I, Select, Run to replace the sound test in the main menu with a message asking the player if they have played Mr. Heli No Daibouken, another TG16 game made by Irem. The code itself is also a reference to Mr. Heli, in which it's used to get extra credits.

Strangely, the code and message are present in the US version, despite only the arcade version of Mr. Heli ever being released outside of Japan, and under the name Battle Chopper at that.

Thank You

At the title screen, press II, I, I, II, Select, Run to replace the sound test in the main menu with a thank you message.