Use WASD or arrow keys to move. press A + D or ← + → together to twirl - doesn't always work. *Tell me your high score in comments!* Also: play until end for world record. If you don't, then if your score is still a world record, it will still probably update your record. You have to press the green flag again, though.
I made the variables visible at the end so you can still view you score when you die.