Sonic the Hedgehog: Classic/Mania Crossover by Codename-Duchess on Newgrounds

Codename: Sonic by MST3KMAN on Newgrounds

1580594 - safe, artist:cybershockstudios, twilight sparkle

The Sonic Mania MV Collab

SONIC: across the OC-verse 1 by iefCuadricula on Newgrounds

Classic Tails meets Arachne (FT Classic Sonic) by zachgamer4427 on

Hyper Sonic by Cubulio on Newgrounds

Encyclopedia Sonnica — God the animated content for this game looks

New promo art we created for Sonic - Sonic The Hedgehog

SC Classic Sonic - Mania WP by CryoGX on Newgrounds