Sonic The Hedgehog: Ancient Isles
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Sonic The Hedgehog: Ancient Isles


Sonic The Hedgehog: Ancient Isles is a cool mod of Sonic with directed to create simple, chill yet fun and memorable experience with a whole bunch of absolutely new levels with drawn from scratch sprites.


  • Intro > orig: Owl City – When Can I See You Again?
  • Title Screen (Discovering Something New!) > by XBRO
  • Ancient Forest Act 1 (Here’s The Start) > orig: Downtown Nekketsu Monogatari EX 2007 – Houryou theme
  • Ancient Forest Act 2 (Never Late To Be A Hero!) > by XBRO
  • Ancient Forest Act 3 (Night Is Calling) > orig: Adeq – Dance In The Universe
  • Buried Ship Act 1 (Forgotten Base) > by XBRO
  • Buried Ship Act 2 (Wild Jungle Woods) > by XBRO
  • Buried Ship Act 3 (Nature Works With Metal) > by XBRO
  • Stardream Oasis Act 1 (Dehydration Isn’t An Option) > by XBRO
  • Stardream Oasis Act 2 (Drowning In Waves) > by XBRO
  • Stardream Oasis Act 3 (Night Diving) > by XBRO
  • Invisibility (You Can’t Touch Me Now!) > by XBRO
  • Got Through (The Way Out) > orig: Bomberman Tournament – Finish Dungeon
  • Boss Theme (Maniac In Disguise) > by XBRO
  • Special Stage (Uncontrollable Gemstones) > orig: Bomberman Tournament – Overworld
  • Credits (Never Stopping) > by XBRO


  • TheBlad768 – main programming, feedback, testing (both emulator and hardware)
  • XBRO – music (both custom and ports)
  • stare (FlyTF) – helped me to understand basics at the start
  • Vladikcomper – original MegaPCM, Advanced Error Handler, palette changing guide, modified original disassembly (source code)
  • Hitaxas and ProjectFM – Splash Screen example/guide
  • flamewing – DMA Queue
  • Hivebrain, drx and Stealth – Original disassembly
  • mrcat-pixel, SomeRussianDude21, FoxConED, Papazakku and others – betatesting, feedback

As always, good luck and Have Fun!

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

Sonic The Hedgehog Ancient Isles is a Sonic Game you can play online for free in full screen at KBH Games. Play Sonic The Hedgehog Ancient Isles using a online Sega emulator. No download or installation needed to play this game. Hope this game bring a little joy into your daily life.