Click the Green Flag and wait until the timer appears. Then type the sentence as quickly as you can. High score value resets automatically (I hope) every 28 days to 20 seconds.
Update 2021-05-02 — errator- made a fix to encode special chars for usernames. Used backpack to import. Thanks errator- ! Simple Black And White Patterns Vectors by Vecteezy: https://www.vecteezy.com/free-vector/simple-black-and-white-patterns Next fix would be to record previous high scores on a leaderboard.