"Super Smash Bros. Remix 1.6.0" seems to be a custom ROM hack or a modified version of the original Super Smash Bros. game for the Nintendo 64. I'll provide a general guide, and please note that some information might be specific to this custom version.
The best mod for Super Smash Bros. 64 just got even better. The team behind has officially dropped version 1.6.0 , and it’s packed with content that feels like it was ripped straight from an alternate timeline where the N64 never died. smash remix 1.6.0
Smash Remix 1.6.0 adds two brand-new competitive stages: What’s New in Smash Remix 1