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Play Ecco Jr. and the Great Ocean Treasure Hunt! (Japan edition) Online
Unou Kaihatsu Series 2 - ECCO Jr.
Play Ecco Jr. and the Great Ocean Treasure Hunt! online on Sega Pico. Ecco Jr.
Browser play
Sega Pico — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| Red button | X |
| Pen button | Z |
| Pen on pad | A |
| Pen on book | S |
| Pen up / down | Enter |
| Previous / next page | Q / E |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
Use the direction keys to move the pen after selecting pad or book mode. Toggle pen up/down to draw or select; use the page buttons to turn Storyware pages.
How to Play Ecco Jr. and the Great Ocean Treasure Hunt!
Quick start
Choose a picture-book activity with the pen; try the music or drawing page and select a crystal or tool to explore it.
Controls
Use the Pico Magic Pen to point and press its tip to select; move it across the drawing pad for pointer or drawing actions. Turn the Storyware page to change activities. In an emulator, use its pen and page controls; exact keyboard mappings depend on the player.
Ecco Jr. and the Great Ocean Treasure Hunt! — About this game
Ecco Jr.'s Pico adventure uses undersea scenes for counting, picture puzzles, music and art. Explore the book's activities with the pen, then experiment with musical crystals or drawing tools. The ocean theme links the learning tasks to dolphins and sea life, with separate pages offering different ways to play.
Ecco Jr. and the Great Ocean Treasure Hunt! Game manuals
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 · picodrive
- 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.