Test knowledge of chemical elements by identifying symbols within a minute. Answer or for oxygen's symbol. Share scores on social media. Compete on leaderboards and earn achievements through Game Center.
Play through 24 chapters to explore the fantasy-western world and its characters. Engage in turn-based strategy battles using a six-gun and steam-punk technology.
Explore technologies used in exploration through interactive 3D models. Learn about equipment and systems for Martian missions. Choose between or digital viewing options. View detailed explanations of each technology.
Explore Cod and Provincetown with an offline driving . Listen to narrated guides about historical sites, beaches, and local culture. Navigate routes with maps and points of interest. Save content for offline use and replay tours at any time.
Play a line-drawing strategy game with touch controls. Command units and build structures to battle enemies. Upgrade weapons and deploy 40 troop types. Engage in local or global multiplayer with voice chat. Track progress on leaderboards.
The app presents math problems for users to solve within a one-minute time limit. It offers four modes for basic math operations and includes Game Center leaderboards and achievements.
Learn through interactive map games and multiple choice quizzes. Identify countries, U.S. states, flags, and capitals by tapping map regions or answering questions. Challenge friends or practice alone.
Identify issues by comparing damaged plant parts to over 1000 high-resolution images. Learn about insect and disease causes. Access management tips for treatment and care. Share information with customers or colleagues.