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Play Jelly Boy (Europe edition · English) Online
Jelly Boy
Play Jelly Boy online. Explore a strange factory as a jelly character whose belly punch and jumps open a route through its themed worlds.
Browser play

Game Boy (GB) — 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 Jelly Boy
Quick start
Choose START NEW GAME and confirm with START, then START through the entrance door. Try B jumps and A punches while collecting the first notes and puzzle pieces.
Controls
Directional pad: move. A: belly punch. B: jump. START: press twice to view collected jigsaw.
Jelly Boy — About this game
Explore a strange factory as a jelly character whose belly punch and jumps open a route through its themed worlds. Collect jigsaw pieces to earn access to further areas and watch the musical notes that protect you from harm. Transformation pickups change how you negotiate obstacles, so inspect each new form before rushing on. Level passwords let you return later, while the jigsaw display shows what remains to collect.
Jelly Boy 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 · gb
- 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.