The Dreamcast was the first truly online home video game console, and brought with it the first wave of fantastic online multi-player games that could be played on your TV. ChuChu Rocket! was one of the best, an outstanding action puzzler with a glorious multi-player mode.
https://blog.gingerbeardman.com/2010/10/28/chuchu-rocket/
https://blog.gingerbeardman.com/2010/10/28/chuchu-rocket/