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Play Valkyrie no Bouken: Toki no Kagi Densetsu (Japan edition · Japanese) Online
Valkyrie no Bouken: Toki no Kagi Densetsu
Play ``The Adventures of Valkyrie: Legend of the Key of Time'' online. Explore Marvel Land and defeat Zouna with swords, magic, and hidden tools.
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 Valkyrie no Bouken: Toki no Kagi Densetsu
Quick start
Press SELECT on the title, select START, and confirm with START. After setting the constellation, blood type, and color, start by defeating nearby weak enemies with B's sword and confirming the location of the inn and shop. Even if you accumulate experience points, your level will not increase unless you rest at the inn, so be sure to return regularly to recover your strength and check keywords. Pause temporarily with START or SELECT, select tools with left and right, magic with up and down, and use what you need to expand your search range.
Controls
Cross button: Valkyrie's movement. During a temporary suspension, select items with left and right, and magic with up and down. A: Use the selected magic. B: Swing sword/use selected item. START or SELECT: Pause and resume during play. For the title, select START/CONTINUE with SELECT, and confirm with START.
Valkyrie no Bouken: Toki no Kagi Densetsu — About this game
"The Adventures of Valkyrie: The Legend of the Key of Time" is an action RPG for the Famicom where you walk freely in a vast field and fight monsters with swords and magic. Defeat enemies to gain experience points and money, and use dropped items and tools hidden in various locations to overcome obstacles and dungeons that block your way. After accumulating experience points, you can level up by staying at an inn, and the way you grow will change depending on the constellation and blood type you choose at the start of the game. Unravel the world where enemies and events change depending on day and night, and recover the key and peace that was taken away by Zouna.
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.