Wonder Boy in Monster World

Wonder Boy in Monster World

4.7 (1.7K)
Mega Drive Action 0 plays

Wonder Boy in Monster World remains one of the finest action experiences on the Sega Genesis. Its innovative design and addictive gameplay have earned it a permanent place in gaming history.

Developer
Platform
Mega Drive
Genre
Action
Players
1P
Rating
4.7 / 5 (1.7K)
Last updated

Wonder Boy in Monster World Controls — Mega Drive Keyboard Keys

Default keyboard bindings for Wonder Boy in Monster World on our in-browser Mega Drive emulator. Plug in a USB or Bluetooth gamepad to auto-detect mappings, or rebind any key from the emulator settings menu.

Keyboard Console button Typical use
D-Pad Up Move up
D-Pad Down Move down
D-Pad Left Move left
D-Pad Right Move right
X A Primary action (jump / confirm)
Z B Secondary action (attack / cancel)
S C Tertiary action
A X Quaternary action
Q Y Fifth button
W Z Sixth button
Enter Start Start / Pause

These bindings cover the 6-button Mega Drive controller. Most older titles only use buttons A/B/C; the extra X/Y/Z buttons matter for Street Fighter II and other 6-button fighters.

Rebind any key from the EmulatorJS in-game settings menu (gear icon → Controls). A connected gamepad auto-maps to the same buttons.

Wonder Boy in Monster World Longplay & Gameplay Videos

Watch a full playthrough of Wonder Boy in Monster World on Mega Drive before you dive in — recommended for getting a feel for the game's pacing, story beats, and difficulty curve.

Watch longplay on YouTube

"Wonder Boy in Monster World" Mega Drive longplay

Wonder Boy in Monster World Cheat Codes

26 community-curated cheats for Wonder Boy in Monster World. Tick any to activate them automatically when you click "Play with cheats" — or copy a code into your own emulator.

  • Invincible

    R1TA-A6WR
  • Increase Speed Of Boots And Other Items

    96FA-BTH6
  • Hits Take No Energy

    95TA-B768
  • Infinite Hearts

    AMTA-AA7E
  • Invincibility

    R1TA-A6X4+R1TA-A6T2+R1TT-A6TT
  • Infinite Gold

    VENA-A0NC
  • Infinite Elixir

    AJWA-AA9W
  • Infinite All Magic

    BCDT-AA54
  • Infinite Medicine, Holly Water, Potion, Ocarina

    AJWT-AA2G
  • Super high jump and better traction

    C4DT-AAWE
  • One hit kills any enemy or boss.

    RFET-A61C
  • Walk a little faster

    JCDT-BTCJ
Show 14 more cheats
  • Walk a little faster, and your jumps will have slow moon descent

    BWDT-BTCJ
  • Walk much faster

    JCDT-AALJ
  • Walk much faster, and your jumps will have slow moon descent

    BWDT-AALJ
  • Always have all weapons, armor, and boots.

    HWBA-BEH2+98BA-AAH4
  • Never die from enemy attacks

    RHTA-A6Z4
  • The guy that gives you 3 Fire Storm's at the beginning of the game will give you 12 instead

    ARFA-A2BY
  • Can use any magic, even if you don't have it

    AK6A-AA9Y
  • Walk through walls, rocks, etc.

    BA2A-AA4G
  • High jump and better traction.

    E4DT-AAWE
  • Coins you get from killing enemies are worth a lot more (at least 45).

    HX2T-BB12
  • Start a new game with 8 hearts.

    ACHA-ATCL
  • Start a new game with 8 hearts, and 12 Quake magic.

    BWHA-ATCL
  • Jump in mid-air (multi-jumps).

    RHZT-A6ZY
  • Makes the Gradius or Knight swords much stronger (can kill enemies with 1 hit).

    94GA-B73A
Play Now

External references

Frequently Asked Questions

Who developed Wonder Boy in Monster World?

Wonder Boy in Monster World was developed by Westone, available to play in your browser on RetroGameSpace.

How many players does Wonder Boy in Monster World support?

Wonder Boy in Monster World is a single-player Action game for the Mega Drive.

What type of game is Wonder Boy in Monster World?

Wonder Boy in Monster World is a Action game for the Mega Drive, playable instantly in your browser — no downloads, no installs.

How can I play Wonder Boy in Monster World for free?

Open this page and click "Play Now" — Wonder Boy in Monster World runs free in your browser via WebAssembly emulation. No account, no payment, no installer.

Do I need to download anything to play Wonder Boy in Monster World in the browser?

No. Wonder Boy in Monster World streams from a public archive into a browser-side Mega Drive emulator. Nothing is installed on your computer.

Can I save my progress in Wonder Boy in Monster World?

Yes. Save states are stored in your browser (IndexedDB) per game, and you can also use any in-game save the original Mega Drive cartridge supported.

Does Wonder Boy in Monster World work on mobile devices?

Yes — the Mega Drive emulator runs on iOS Safari and Android Chrome. Touch controls overlay the game; landscape mode is recommended.

Is it legal to play Wonder Boy in Monster World this way?

RetroGameSpace is a transient caching reverse-proxy and does not host first-party copies of Wonder Boy in Monster World. Game files are fetched on demand from publicly-accessible archives. You are responsible for compliance with your local laws and the bring-your-own-ROM principle.

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