classic sonic 3d adventure graphical UPDATE(1) 11/ video - Mod DB

Hub world 1 image - Classic Sonic 3D Adventure - ModDB

Classic Sonic Running Animation [Sonic Adventure DX] [Mods]

Sonic the Hedgehog 2's Biggest Easter Egg and Other References - IGN

classic sonic 3d adventure Tails testing UPDATE(4) video - Mod DB

Classic Sonic Animations [Sonic Adventure 2] [Mods]

SonicGDK Windows, Mac game - IndieDB

Classic Sonic [Sonic Adventure DX] [Mods]

This Adorable Mod Adds Classic Sonic To Sonic Adventure

Classic Sonic 3D Adventure Windows, Mac, Linux game - ModDB

The True Sonic Generations

CLASSIC SONIC 3D ADVENTURE alpha gameplay video - Mod DB

Game Cube - Sonic Adventure Dx - Sonic - Download Free 3D model by spencer.psi0918 (@spencer.psi0918) [597bf6d]

classic sonic 3d adventure graphical UPDATE(1) 11/ video - Mod DB

Sonic Adventure: Upscaled Textures + CGI Cutscenes Mod!