Solve Mastermind-style puzzles by selecting guesses and scoring them. The narrows down possible solutions based on scores. Users can track remaining options and repeat steps until a single solution remains.
by Edwin Hou★ 1.25 ratingsGamesFreeData updated 2026-09-08
This card game uses a 52-card deck and can be played in one hand without a flat surface. The objective is to discard as many cards as possible by matching suit or face value.
The app helps users master Chess by solving tactic positions. Unsolved positions reappear later, and users can solve tactics as a guest or by logging in with a PlayChess account.
Calculate resistance values for 4, 5, or 6 ring resistors by selecting color codes or entering resistance values. Determine colored rings based on resistance input. Support for SMD resistors and EIA value calculations.
Is a memory training where players repeat color sequences. Users can challenge friends, track progress, and compete in timed rounds. Features include adjustable difficulty levels and score tracking.
Solve crossword puzzles, cryptograms, and Scrabble-like games. Search for using dots for unknown letters or at-signs for multiple letters. Look up online or in a dictionary. Find anagrams and sort by length, alphabet, or score.
Play memory to improve number recall, sequence recognition, image retention, and color memory. Track progress daily challenges and exercises. Share results and compete friends.
The app automatically solves Sudoku puzzles from images. Users can photograph a Sudoku or select an image to have the app recognize and solve the numbers.
Play geography games by guessing cities, flags, and locations. yourself or compete with friends. Learn facts about places and test knowledge with multiple-choice questions. Track progress and review correct answers.
The app presents a game where players find five differences between two photos before time expires. Incorrectly marking a spot reduces remaining time, while finding differences quickly earns more points.