Sonic Stages & Music in Smash 64 (Real N64 Capture video - ModDB

This is a very cool mod that puts in multiple Sonic Stages and Music into Smash 64. This mod is made by "ownsoldier".

Sonic 2 Stages & Music in Smash 64

Special Stage image - Super Smash Bros. 64 Sonic Mods for Super

The Mario vs. Sonic Rivalry Returns Part 2

Smash 64 Custom Stage Tutorial(Updated)

Smash 64 with 16 Characters and 42 Stages(Real N64 Capture)

Smash Bros 64. Hacks Roms - Mods - De CholoDroid Y De Todos Y

Some gameplay of the Classic Sonic Skin in Smash Remix running on

Smash Remix: the greatest Super Smash Bros hack - N64 Squid

♫ The Ultimate Smash Bros ♫, The SMG4/GLITCH Wiki

Smash Remix: the greatest Super Smash Bros hack - N64 Squid

What makes Super Smash Bros Ultimate so popular?

Super Smash Bros. Ultimate, Awesome Games Wiki

Super Smash Bros. Brawl - SmashWiki, the Super Smash Bros. wiki

stage 3 image - SSB64 Sonic 2 Mod for Super Smash Bros. 64 - Mod DB

Looking at different lists that rank greatest games of all time