Released - Pokemon Golden Sun / Silver Moon Demo

The best parts of the Pokémon Gold demo leaks are the early designs - Polygon

They're Alive! Gold & Silver Beta Mon Are Rising From the Dead!

Pokemon Sun and Moon starters, trailer, legendaries, release date and everything else you need to know

Pokemon Golden Sun - Colaboratory

Pokémon Sun & Moon - Special Demo Version

Pokémon Stars Version (lost enhanced Nintendo Switch port of Pokémon Sun and Moon Nintendo 3DS role-playing games; existence unconfirmed; 2017) - The Lost Media Wiki

Released - Pokemon Golden Sun / Silver Moon Demo

Several Unreleased Monsters Found in 'Pokémon Gold' and 'Silver' Demo

Pokemon Golden Sun - Colaboratory