ResetEra NT on Twitter: "Buttload of Sonic CD prototype dumps incoming https://t.co/tANitPMP9Q https://t.co/S7kmRvcPFk" / Twitter
Sonic CD - Proto Title Screen sprite recreation by AsuharaMoon on DeviantArt
Sonic the Hedgehog CD (Aug 1, 1993 prototype) - Hidden Palace
Sonic the Hedgehog CD (Dec 4, 1992 prototype) - Hidden Palace
A Prototype For Sonic 1 Has Finally Been Released | RetroRGB
Sonic the Hedgehog CD (Mega-CD prototype; 1993-05-10)/Comparisons/Special Stage - Sonic Retro
Sonic Prototypes (released by Hidden Palace) | Sonic Stuff Research Group
Sega Multimedia Studio: Sega CD Demo from May 29th, 1992 - Prototype - 1080p Full Demo - YouTube
Genesis / 32X / SCD - Sonic the Hedgehog CD (Sega CD) (Prototype) - Title Screen - The Spriters Resource
New Sonic game prototypes found by drx, shows early stages from Sonic CD, more to come | GBAtemp.net - The Independent Video Game Community
Looks like we are going to get Sonic CD betas really soon - Games - Sonic Stadium
Proto:Sonic the Hedgehog CD (Sega CD)/Ver0.51 - The Cutting Room Floor
Sonic the Hedgehog CD (Dec 4, 1992 prototype) - Walkthrough - YouTube
AudioReam on Twitter: "I have done one of Sonic's 'I'm Outer Here' Sprites from the 0.02 Sonic CD Prototype as a Sonic 1 styled Sprite. https://t.co/AINmln8QVF" / Twitter
Stream prototype classic sonic music | Listen to sonic cd album version playlist online for free on SoundCloud
Sonic the Hedgehog CD (Mega-CD prototype; 1993-07-12) - Sonic Retro
The Sonic seen on the "Fun is Infinite" screen is actually a beta design for Metal Sonic. When Naoto Ohshima saw it, he thought it was too scary, and suggested a robot
Play SEGA CD Sonic the Hedgehog CD (May 12, 1993 prototype) Online in your browser - RetroGames.cc
Beta UFO [Sonic CD (2011)] [Mods]
Genesis / 32X / SCD - Sonic the Hedgehog CD (Sega CD) (Prototype) - Sonic (0.02) - The Spriters Resource
Earliest Prototype of Sonic CD, Ver 0.02, Found and Dumped - The Sonic Stadium
Here are all the known Sonic CD prototypes v0.02, 510, v0.28A, v0.51, 712, 801, 806, 1.11, 920, 1.15 but their is at least one more prototype seen in the 1992 summer catalogue
Proto:Sonic the Hedgehog CD (Sega CD)/Prototype 510 - The Cutting Room Floor
Sonic CD Prototype 0.02 Edit by Aureumber on DeviantArt
Play SEGA CD Sonic the Hedgehog CD (prototype; 1993-07-12) Online in your browser - RetroGames.cc
