Uploaded December 2014 | Updated September 2026, 3 weeks ago

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Can you spot all the differences?

Testing out my new Mega Drive emulator gameplay footage capturing method and YouTube's new 60FPS feature. Seen here is my Sonic the Hedgehog hack, which is, at best, an engine enhancement with some features added. With my Sonic 2 hack having priority over my Sonic 1 hack, this has been reduced to a testing site for any bells and whistles I feel like adding. But the result of what's accumulated over time is pretty novel.

See more at forums.sonicretro.org and sonicresearch.org