The app allows users to color a map of Russia with four colors, ensuring no adjacent regions share the same color. This feature allows users to explore geography and learn about Martin Gardner's country.
by Roman Koksharov★ 5.01 ratingsEducationFreeData updated 2026-10-14
Ancient Slavic-Aryan calendar converter application.
The app provides a Slavic-Aryan calendar with a time converter. Users can determine their birth date according to ancient Slavic-Aryan chronology, learn about personality traits, and discover patron gods and qualities based on birth dates.
Solve arithmetic puzzles by replacing letters with digits to form correct equations. Each letter represents a unique digit. Track progress and attempt increasingly difficult challenges.