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Kid Niki - Radical Ninja
小忍者
Kid Niki: Radical Ninja is an action game developed by Irem and released in 1986. Players control a young ninja moving through side-scrolling levels, attacking enemies with a sword and collecting items. The game features multiple stages with increasing difficulty, requiring players to defeat enemies and navigate platforming sections. Controls are straightforward, with movement and attack buttons allowing for basic combat combinations. The ninja can throw projectiles and perform jumps to reach higher areas. Levels progressively introduce new enemy types and obstacle patterns, culminating in boss encounters that test the player's combat skills and timing.
- Developer
- Irem
- Released
- 1986
- Platform
- Arcade
- Genre
- Action
- Rating
- 4.8 / 5 (3.8K)
- Last updated
Kid Niki - Radical Ninja Controls — Arcade Keyboard Keys
Default keyboard bindings for Kid Niki - Radical Ninja on our in-browser Arcade emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.
| Keyboard | Console button | Typical use |
|---|---|---|
| ↑ | Joystick Up | Move up |
| ↓ | Joystick Down | Move down |
| ← | Joystick Left | Move left |
| → | Joystick Right | Move right |
| X | Button 1 | Primary action (jump / confirm) |
| Z | Button 2 | Secondary action (attack / cancel) |
| S | Button 3 | Tertiary action |
| A | Button 4 | Quaternary action |
| Q | Button 5 | Fifth button |
| W | Button 6 | Sixth button |
| 5 | Insert Coin | Insert coin |
| 1 | 1P Start | Start / Pause |
Coin and Start are convention "Insert Coin: 5" and "1P Start: 1". Some arcade boards expect specific button mappings — check the in-game prompts on coin-up.
Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.
Kid Niki - Radical Ninja Longplay & Gameplay Videos
Watch a full playthrough of Kid Niki - Radical Ninja on Arcade before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.
Watch longplay on YouTube
"Kid Niki - Radical Ninja" Arcade longplay 1986
External references
Frequently Asked Questions
When was Kid Niki - Radical Ninja released?
Kid Niki - Radical Ninja was released in 1986 for the Arcade.
Who developed Kid Niki - Radical Ninja?
Kid Niki - Radical Ninja was developed by Irem, available to play in your browser on RetroGameSpace.
What type of game is Kid Niki - Radical Ninja?
Kid Niki - Radical Ninja is a Action game for the Arcade, playable instantly in your browser — no downloads, no installs.
How can I play Kid Niki - Radical Ninja for free?
Open this page and click "Play Now" — Kid Niki - Radical Ninja runs free in your browser via WebAssembly emulation. No account, no payment, no installer.
Do I need to download anything to play Kid Niki - Radical Ninja in the browser?
No. Kid Niki - Radical Ninja streams from a public archive into a browser-side Arcade emulator. Nothing is installed on your computer.
Can I save my progress in Kid Niki - Radical Ninja?
Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Arcade cartridge supported.
Does Kid Niki - Radical Ninja work on mobile devices?
Yes — the Arcade emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.
Is it legal to play Kid Niki - Radical Ninja this way?
RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Kid Niki - Radical Ninja. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.
