Portfolio
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Tok Blok
Refocus App Blocker. Minimize distractions and earn screen time by solving brain challenges
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Whodoku
Mystery Sudoku Adventure. Solve classic grid puzzles and track down suspects in a deductive logic detective game.
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Omnidoku
Nonograms, Hashi, Train tracks & Tents
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6 7
Six Seven Puzzle. A minimalist number-based brain teaser that tests your pattern recognition, strategic planning, and grid card matching.
Puzzles
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Daily Puzzles
Play today's free daily logic challenges: Sudoku, Tents & Trees, and Train Track. New seeded boards generated daily at midnight.