Showing 1–20 of 1,000 ranked alternatives.
Lee Clayberg
Learn with interactive lessons and exercises
Learn regular expressions through structured lessons covering beginner to expert levels. Complete interactive exercises to practice and apply patterns. Solve real-world challenges to improve proficiency.
Staple Games, LLC
Play and solve puzzles
Solve puzzles by filling 9×9 grids with digits 1-9. Choose from four difficulty levels. Store notes for possible numbers. Use hints to fill missing digits. Complete daily challenges. Clear grids when all numbers are placed.
Block Puzzle Games Inc.
Play Sudoku puzzles anytime
Solve Sudoku puzzles with adjustable difficulty levels. Track progress and statistics. Access hints and undo moves. Play offline and sync across devices. Share completed puzzles. Customize board appearance.
Sovio Limited
Test and replace text
Test with syntax highlighting and match visualization. Customize highlight colors and view results in a list. Perform replacements and choose from light or dark themes. Access a cheatsheet for operators and metacharacters.
AppyNation Ltd
Solve clues, complete quests, collect trophies
Solve crosswords with daily themed puzzles featuring trivia facts. Complete quests and collect trophies. Choose from twelve game modes. Access over 80,000 unique clues. Track progress and view statistics. Share achievements with friends.
InQuisiTiVe Media Limited
Words, solve puzzles, win challenges
Solve puzzles by connecting related words in a 16-square grid. Group four words into connected sets. Complete four groupings to finish a round. Progress through eight rounds to advance.
the binary family GmbH
Play with in-grid clues
Solve with clues displayed in the puzzle grid. Navigate between clues and answers. Customize difficulty levels. Track progress and revisit previous puzzles. Share completed puzzles via email or social media.
AppyNation Ltd
Solve puzzles and track progress
Solve puzzles on grids with varying difficulty levels. Complete sections to collect trophies and unlock achievements. Track progress through quests and challenges. Play free with hand-crafted puzzles.
Matthew Murphy
In and track progress
Play fit by filling in a grid with given words. Select from easy to hard difficulty levels. Solve by matching lengths and positions. Track progress and revisit completed .
帅 惠
Study with AI quizzes and flashcards
Generate personalized quizzes based on study material. Provide instant feedback and explanations. Offer progress tracking and subject-specific practice. Support multiple subjects including math and biology.
Boy Howdy Technology LLC
Solve crosswords and find hidden words
Solve crosswords by identifying hidden words from letter patterns. Select from 7 difficulty levels. Fill in answers using touch controls. No time limits. Includes 100,000 puzzles. Features readable, beautiful letter display.
ManoMaya
And scales
Using a color-coded system to simplify learning. Practice with instant feedback to improve accuracy. Track progress and access lesson tutorials for beginners and intermediate players.
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