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Play Fushigi no Umi no Nadia (Japan edition · Japanese) Online
Fushigi no Umi no Nadia
Explains A decision/B cancellation, 10 companions, movement and battle, techniques, training, 50+α stages, and win/loss conditions for FC "Nadia of the Mysterious Sea".
Browser play

Nintendo Entertainment System (NES) / Famicom — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| A / B | Z / X |
| START / SELECT | Enter / V |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Fushigi no Umi no Nadia
Quick start
For the first time, select "Troll" from the main menu, register your player name, and proceed to start the game. In the field, use the cross keys to move the cursor to the character, press A to select it, and press A to confirm commands such as "Ido". B is cancelled. If you touch the enemy from the top, bottom, left, or right, a battle will begin.
Controls
D-pad: Select commands, characters, and destination. A: Character/command/target determination, message sending. B: Cancel, delete one character when inputting. START: Stop/resume character movement on the field. SELECT: Switch field display from person to symbol, and switch between hiragana and katakana for name input.
Fushigi no Umi no Nadia — About this game
The Famicom version of ``Nadia: The Secret of the Sea'' is a work that combines a simulation-style field and command-style RPG combat. Select a character from 10 people, mainly Nadia, to move, use skills, inventory, and investigate to approach the enemy and a 1-on-1 to 1-on-3 battle will begin. The level and abilities of each person increase with experience points, and you select a stage of 50+α to conquer. If you defeat the enemy emperor, you win, but if Nadia is defeated, you lose.
Cheats
No cheats have been added for this edition.
Player verification and sources
Browser play was reviewed before this edition was published in the catalogue. The date below is the catalogue publication date, not the game’s original release date.
- Browser test and catalogue publication date
- Browsers and devices
- PC: Chrome, Edge and Firefox. Mobile: Chrome on Android and Safari on iPhone and iPad.
- Player engine and core
- EmulatorJS 4.3.0-pre · nes
- Tested by
- rwEmulator
Sources and editorial basis
rwEmulator reviews edition metadata, release information, game manuals and first-hand browser-play notes. Available manuals are linked below; the editorial policy explains how facts are checked and corrections are handled.