Answer by tapping or clicking, or press 1–4 / A–D. In True or False rounds use T / F.
Next question: Enter or Space. Pause: Esc or P.
Lifelines (one each per game): 50:50F removes two wrong answers, Ask the GoatH gets Gruff's best guess (he's usually right…), SkipS swaps the question.
Points: easy 100, medium 200, hard 300, plus a streak bonus. Timed mode adds a speed bonus. The Grand Finale is worth double.
Relaxed mode has no clock. Turn the timer on in Settings for extra pressure.
Every right answer earns XP towards your brain level. Questions you have already seen are saved for later, so you'll keep getting fresh ones.