Screenshots
Kid Niki - Radical Ninja
Kid Niki - Radical Ninja remains one of the finest action experiences on the NES. Its innovative design and addictive gameplay have earned it a permanent place in gaming history.
- Developer
- Irem
- Released
- 1987
- Platform
- NES
- Genre
- Action
- Players
- 2P
- Rating
- 4.4 / 5 (941)
- Last updated
Kid Niki - Radical Ninja Controls — NES Keyboard Keys
Default keyboard bindings for Kid Niki - Radical Ninja on our in-browser NES 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 |
|---|---|---|
| ↑ | D-Pad Up | Move up |
| ↓ | D-Pad Down | Move down |
| ← | D-Pad Left | Move left |
| → | D-Pad Right | Move right |
| X | A | Primary action (jump / confirm) |
| Z | B | Secondary action (attack / cancel) |
| Enter | Start | Start / Pause |
| Shift | Select | Select / Mode |
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 NES 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" NES longplay 1987
Kid Niki - Radical Ninja Cheat Codes
24 community-curated cheats for Kid Niki - Radical Ninja. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.
-
Invincibility
007-76B-F76+007-7BB-E6E0088:00+00F4:00 -
Get 9 Lives Every Death, 99 From A 1-Up
00C-43F-F7E -
Infinite Shurikens On Pickup
01B-8DF-E66 -
90 Shurikens On Pickup
095-3D9-E6E -
999 Coins On Pickup
00C-5FF-A29 -
Freeze Timer
00B-B9F-3B7AESUEGPA -
Infinite Lives
GXSOKIVG00CC:03 -
Ninja Jumping Power
NYUEXOEV -
Start With 1 Life
PAOATZLA -
Start With 6 Lives
TAOATZLA -
Reduce Timer Value
GAUELZTA+GEEPOTTA -
Start On Round 2
PEVAYPAA+PEUETPAA
Show 12 more cheats Show fewer
-
Start On Round 3
ZEVAYPAA+ZEUETPAA -
Start On Round 4
LEVAYPAA+LEUETPAA -
Start On Round 5
GEVAYPAA+GEUETPAA -
Start On Round 6
IEVAYPAA+IEUETPAA -
Debug Invincibility
EEKEPPAA -
Ninja jumping power!
NYUEXOEV -
Infinite Time
0621:3B0015:67 -
Moon Jump
AEOOUXIZ+NNOOKXOE+GZEYENNY+YIEYONNY+APEYXNNY+GAEYUNNY+OZEYKNNN+KTEYSNNN+SAEYVNNY+PPEYNNNN+AZENENNY+IZENONNN+OAENXNNN+ATENUNNY+AANOVZAP+AEEPKXZAAANPXXLP+NYNPUXOE+GZEYENNY+YIEYONNY+APEYXNNY+GAEYUNNY+OZEYKNNN+KTEYSNNN+SAEYVNNY+PPEYNNNN+AZENENNY+LPENONNN+OAENXNNN+ATENUNNY+GZSPKZEY+GZSOXZEY -
Hit Anywhere
ATOKTXSY+AOUAESXE+AVUAOSAGAOOENSXE+AVXAESAG+ATUKLXSY -
Enable Debug Invincibility
ENSENIAL+AEVOXXGA+ENXOOPAL00AD:80 -
Infinite Lives P1
00CC:04 -
1 Hit Kills 1st Boss
0261:00
External references
Frequently Asked Questions
When was Kid Niki - Radical Ninja released?
Kid Niki - Radical Ninja was released in 1987 for the NES.
Who developed Kid Niki - Radical Ninja?
Kid Niki - Radical Ninja was developed by Irem, available to play in your browser on RetroGameSpace.
How many players does Kid Niki - Radical Ninja support?
Kid Niki - Radical Ninja supports up to 2 players, ideal for couch co-op or competitive sessions on the NES.
What type of game is Kid Niki - Radical Ninja?
Kid Niki - Radical Ninja is a Action game for the NES, 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 NES 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 NES cartridge supported.
Does Kid Niki - Radical Ninja work on mobile devices?
Yes — the NES 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.
