Online Multiplayer Comes to OG Game Boy ‘Tetris’ Thanks to a Custom Mod

On the software application side of things, stacksmashing worked up a web-based online and a local customer game server. The previous will need to be operated on the hosts computer system their Game Boy is linked to via the USB adapter, while the latter serve as a digital replacement for the lead Game Boy..
Through the server, matches can be produced together with special match IDs the video game host can show their good friends. From there, the host can select which music to play and the server will appoint the list of tetrominoes and track the games progress to notify other gamers when theres a winner (or when other gamers lose). The concept is similar to Tetris 99, which was launched in 2019, however limits it only to gamers you select to play with..
by means of Engadget.

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Nintendos fantastic Game Boy handheld gaming console is just as iconic as the timeless video game Tetris. And now, thanks to a clever tinkerer, you can play that video game on that console … online with several pals, a la Tetris 99.
A hacker by the name of stacksmashing just recently published a video on YouTube demonstrating how they set this all up. Sweating off the idea of Nintendos initial Game Link Cable device, the hacker integrates a USB adapter, a Raspberry Pi Pico, and some level shifters to create the hardware required to take the video game online.