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Play Wonder Boy in Monster World (Europe edition · Edition 146158) Online
Wonder Boy in Monster World
Play Wonder Boy in Monster World online — Master System. Travel through Monster World in search of its missing princess.
Browser play

Sega Master System — EmulatorJS controls
Default Player 1 keyboard mapping. Change keys in Controller Settings.
| Console button | Keyboard |
|---|---|
| ↑ / ↓ / ← / → | ↑ / ↓ / ← / → |
| 1 / START | X |
| 2 | Z |
Open Controller Settings to configure your keyboard or gamepad. Touch controls are available on mobile.
How to Play Wonder Boy in Monster World
Quick start
Begin the adventure, speak to nearby residents with up and open the equipment window with console Pause before setting out.
Controls
Left/right move; up enters, talks, opens chests or climbs; down crouches, descends or exits shops. 1 attack/close equipment; 2 jump/swim/advance text. Up+1 magic; up+2 equipped special item. Pause equipment.
Wonder Boy in Monster World — About this game
Travel through Monster World in search of its missing princess. Speak to residents, read signs and open chests for clues and equipment, then use weapons and magic against the monsters along the way. Shops and inns punctuate the journey, while the equipment window lets you prepare magic and special items. Choose what to equip before facing a difficult stretch, and use ladders, vines and ropes to explore higher routes.
Wonder Boy in Monster World 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 · segaMS
- 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.