Or quiz allows users to answer factual questions and view explanations for correct or incorrect answers. Features include learning through quizzes, reviewing detailed explanations, and engaging with a variety of factual topics.
Practice mental math by solving equations quickly. Adjust difficulty based on accuracy with increasing numbers and decreasing time. Reset to simpler problems after a wrong answer. Track progress through repeated gameplay.
The app presents five-word sentences generated in real-time. Users recognize sentences in background noise and select correct words to lower the signal-to-noise ratio.
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.