Play Kid Niki: Radical Ninja (NES) Online

Console NES Genre ActionPlatformer Players
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Controls

Click the game first to enable controls.

Player 1

WASD
Move Climb Or Squat
K
Jump
J
Spin Sword
Enter
Start Or Pause
R Shift
Choose Player Mode

Player 2

Move Climb Or Squat
Num .
Jump
Num 0
Spin Sword

Emulator

Q
Fast Forward
E
Rewind
4
Slow Motion
1
Quick Save State
2
Quick Load State
3
Change State Slot
Gameplay screenshot of Kid Niki: Radical Ninja for NES

Overview and Gameplay

Princess Margo has been kidnapped by the Stone Wizard, sending Kid Niki across a sequence of fast, colorful action stages. This NES adaptation of Irem’s arcade game combines side-scrolling platforming with close-range sword combat. Each main round has a six-minute limit, hidden rooms, bonus items, checkpoints, and a boss guarding the scroll needed to continue. Seven conventional rounds lead into a final chase and confrontation.

Controls And Mechanics

  • Move, climb, and squat with the directional pad.
  • Jump with A and spin the sword with B. Pressing both lets Kid Niki attack while jumping.
  • Golden Bells provide a ranged attack, while Silver Bells create temporary protection.
  • Mini Kid Niki grants an extra life, and Mini Princess allows one otherwise fatal hit.
  • Two-player mode is alternating rather than simultaneous. Players take turns using separate controllers.

Version Notes

This is the later U.S. Revision A program, also cataloged as PRG1. The American localization renames Yanchamaru as Kid Niki and Princess Kurumi as Princess Margo, while also changing character art and English text.

Release And Credits

  • NES release: 1987
  • Developer: TOSE
  • U.S. publisher: Data East USA
  • Original arcade game: Irem
  • Japanese title: Kaiketsu Yanchamaru
Version
kid-niki-radical-ninja_usa_prg1_verified.nes
Status
Playable in browser
Updated
July 10, 2026

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