Clear every level before your hearts run out.

Solo run

Each question is a level. Get to its score in 4 answers. Answers more people would give are worth more.
3 hearts for the whole run. A miss costs one, and so does a level you don’t clear.
Levels 3, 6, 9… have a twist. Clear one and win a heart back.
20 seconds an answer. One free pass a run.