Calculate possible digit combinations that sum to a target. Specify the number of digits and exclude or require specific numbers. View results and adjust parameters for different scenarios.
Create and design cities using blocks. Build structures like castles and towers. Customize terrain and vegetation. Choose island counts and dimensions. Use a simple interface to construct and arrange elements. Export or share built environments.
Play games including Spider, Klondike, Freecell, and Pyramid. Choose from multiple card backs and backgrounds. Adjust game settings and track progress across different variants.
Learn solid geometry by creating cross-sections of polyhedra using a defined plane. Build cross-sections by tapping three points on polyhedron faces. Explore regular polyhedra, pyramids, prisms, anti-prisms, and Archimedean solids.
The app offers a simple and relaxing puzzle game where users rotate pipes to their correct positions. It features infinite and randomly generated levels that work on all devices.
Clear the field by connecting pairs of identical or that sum to 10. Swipe to move tiles, solve levels with hints, share progress with friends, and compete on Center rankings.