Solve math problems under time limits. Correct answers extend time and increase difficulty. Track progress with daily sessions. Customize difficulty levels. Compete in leaderboards. Share scores on social media.
Test color recognition by tapping "Blue Daruma" when the question is blue, despite "Blue" being displayed in red. Choose correct answers quickly in speedrun modes with 10, 20, or 30 questions. Track high scores and challenge world records.
Play a quick focus test by choosing a between 0 and 9. Stay focused on the center as numbers cycle and distractions appear. Tap to confirm your choice when ready. Beat the timer to extend your streak and improve concentration.