Manage challenges and settings, flags with static and regex support, and user points. Track team submissions, live scores, and user activity. Secure sign-in with iOS Keychain and biometric unlock.
Learn verbs with flashcards and study modes. Swipe through cards to review verbs and mark them as known. Tap to hear native pronunciation. Practice conjugations and track progress.
Explore an interactive map of to learn about rivers, lakes, mountain ranges, states, and city locations. Tap and drag to navigate, zoom, select, highlight, and pan the map. Test knowledge with a quiz mode. Build custom maps with selected features.
