Play puzzles by swiping letters in the correct order to clear grids. Progress through 1000+ levels, starting easy and increasing in difficulty. Track progress from Newbie to Super Mastermind.
Test visual and auditory memory by recalling and re-entering a using a nine-digit keyboard. The length increases each round, and your score improves with faster correct guesses.
Of π with customizable sequences and repetition reminders. Track progress with daily goals and review sessions. Export memorized as text or share via social media.
Learn basic counting and arithmetic using an . Perform single-digit addition and subtraction. Practice number recognition and counting skills. Track progress with interactive exercises and visual aids.
Manage a sweets featuring and other manga characters. Create and decorate the store. Arrange shelves and tables. Interact with characters like T・P BON and Kiteretsu Encyclopedia. Collect ingredients and complete tasks.
Play as attacker or defender in real-time battles. Challenge AI opponents or join multiplayer matches. Customize game settings and track progress through in-game statistics.
Guess the secret code using logic and deduction. Play in 4 modes with 3 difficulty levels. Compete on Game Center leaderboards. Support colorblind and left-handed players. Includes ads; paid version removes them.
Perform complex calculations with trigonometric, statistical, and combinatorial functions. Define and evaluate custom equations. Graph mathematical expressions and explore multiple variables. Save and reuse calculations for future use.
Solve puzzles with gameplay and multiple difficulty levels. Use hints and notes to assist with challenging sections. Track progress and revisit previous puzzles for continued practice.
Play a numbers by combining 6 given numbers using addition, subtraction, multiplication, and division to reach a target . Join numbers to create new values and solve puzzles.
Memorize of pi using color and musical notes for enhanced recall. View numbers in chunks with customizable pages and lines. Compete on leaderboards and earn achievements. Practice daily for improved retention.
Play with puzzles crafted for 6 difficulty levels. Use tools like hidden cages, combination panels, and a calculator. Access smart hints to guide solving. Track progress and view detailed solutions.