So I bought this beta (bargain, $700, lol). Ladies and ladies:

<center><a href="http://www.hidden-palace.org/?releases/33"><img src='./releases/Sonic 3D Blast (Beta).png'>

Sonic 3D Beta</a></center>

Thanks to Aurochs (!), CheeseBacon, Techokami, WiteoutKing, Heran Bago.

Feel free to tell your friends.

PS. More stuff coming soon, I bought some other Megadrive protos but they are shitty (sports games) and I don't feel like dumping them now.