Pokémon: Lost Silver

Lost Silver (Hidden) is the most up to date version as of March 2022. Work is being done on the upcoming Re: Lost Silver which aims to complete all aspects of the game that were originally intended by the original author.

In order to download the game, here is the download link.

Specifications include this only working on Windows machines that date back to 2008. No available versions for Mac, Android, Linux, or as a ROM are available.