Sonic:Source is a modification of Half-Life 2 on Valve's Source Engine, designed to appeal to fans of both the new and classic Sonic the Hedgehog games.


  • Play as Sonic and Tails
  • 2.5D Gameplay
  • Fly the original Tornado
  • New and Dramatic Storyline, taking place directly after the events of Sonic 3 and Knuckles
What would you like to see on this list? We're taking suggestions!
Want to help? Our team is still quite small, and we're always looking for new members!
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