Certified classic that I still play to this day.
I have that on a saved ROM file, so those scores are over an extended period of time. At that point you're at Level 19 or something and it's blazing fast. Hope to someday crack 600,000.
There is a documentary about this game called
Ecstasy of Order: The Tetris Masters where several players come together for a competition to see who comes out top dog.