Dr. Yundong (The Strangest Sonic Hack)
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Dr. Yundong (The Strangest Sonic Hack)


Get ready to play the The Strangest Sonic Hack/mod but cool and funny at the same time.


  • Project Leader – BinBowie
  • Lead Programmer – Ralakimus
  • Engine Programmers – Ralakimus, Natsumi
  • Assistant Programmers – Natsumi, TheStoneBanana
  • Level Designers – LuigiXHero, BinBowie, LooneyDude
  • Level Artists – BinBowie, VAdaPEGA, TheStoneBanana, Mr. Cat, LooneyDude
  • Sprite Artists – BinBowie, VAdaPEGA, TheStoneBanana, LooneyDude
  • Music Composer – BinBowie
  • Sound Effects – VAdaPEGA
  • Character Designers – BinBowie, VAdaPEGA, Ralakimus, TheBlurCafe, TheStoneBanana, Dragon Wolf Leo
  • Dialogue – Misinko, BinBowie, Brent Rigby
  • Dual PCM and AMPS – MarkeyJester and Natsumi

How to Play

Player 1 (Default Mapping)
Inside The Game Your Keyboard
A, B, C Button =[J],[K],[L]

How to Save: Hover over the game canvas. A save button will appear at the top of the game screen. When you click "Save" button, the save code (spot) will be saved onto your browser's storage system automatically.

How to Load: Come back anytime in the future, simply click "Load" to resume from your latest save spot. (Assuming you did not clear your browser' data.

CAUTION:: Browser's private mode WILL NOT retain your save state, because save state is deleted once the browser is closed, so don't use private mode if you want to use the save state.

Recommended Browser: Chrome

Play Dr. Yundong The Strangest Sonic Hack Online Game. One of many Sonic Games to play online on your web browser for free at KBH Games. Play Dr. Yundong The Strangest Sonic Hack using a online Sega emulator. Tagged as Action Platformer Games, Adventure platformer Games, Funny Games, Sega Games, Sonic Games, and Sonic The Hedgehog Games. Upvoted by 77 players. Other games you might like are FNF: Sonic.Exe and Majin Sonic sings "Too Slow" and Silver Sonic in Sonic 1. No download or installation needed to play this free game. Hope this game brings a little joy into your daily life.