Play puzzles with five different : Unblock, Mastermind, Number Maze, Flood Jewels, and Minesweeper. Solve puzzles by sliding blocks, deducing color codes, completing number mazes, matching colors, and identifying mines.
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.
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.
Solve puzzles with varying difficulty levels. Input numbers manually or transfer from newspapers. Use pencil and paper style tools for notes and hints. Track possible numbers with a ball of string. Access expert-level hints like Swordfish.
Solve pixel art using numbered hints to determine filled and blank pixels. Reveal images by logically deducing correct cells. Play hundreds of with increasing difficulty. Track progress and complete challenges. Share completed artwork with others.
Solve puzzles with a 9x9 grid and 3x3 sub grids. Enter numbers 1 through 9 in each cell. Complete puzzles using logic without guessing. Access unlimited puzzles. Track progress across multiple difficulty levels.
Solve logic puzzles by deducing hidden color codes. Use clues from each attempt to reduce guesses. Choose from 6 difficulty levels with or without fixed clue positions. Track progress across unlimited puzzles per level.