As spotted by NintendoLife, developer, and modder Joshua Barretto is rebuilding SM64 for the Game Boy Advance. Initially, Barretto had wanted to port the original N64 game to the GBA, but that ...

One year, two PSOne screens, and three N64 consoles later, his vision is complete. A Game Boy Advance travel case was gutted and used to house the console, hence the “N64 Advance” moniker.

And there's also the Expansion Pack tier that features Nintendo 64, Sega Genesis / Mega Drive, and Game Boy Advance games, providing a more varied library of retro games — for a price ...