Play quizzes on topics like music, film, history, and sports. Challenge friends via leaderboard or turn-based matches. Track scores and compare rankings. Share results and compete in real-time multiplayer sessions.
Swipe to match and chain similar gems for high scores. Use special powers to clear obstacles. Play in 5 modes with increasing difficulty. Track progress and compete with others. Share achievements on social media.
View images and accompanying explanations from NASA’s Astronomy Picture of the Day. Save favorite photos to a personal collection. Access the full APOD archive dating back over 30 years. New images are available daily around midnight ET.
