OnlinePuzzles.org - Free Online Puzzle Games. OnlinePuzzles.org is a free online puzzle game platform offering Sudoku, Number Puzzle, Word Puzzle, and Memory Match games. Part of FlameAI Studio ecosystem. No registration required. Instant play. Brain training and cognitive development through logic puzzles, spatial reasoning games, word games, and memory games. Educational resources, puzzle strategies, and brain training articles available. Publisher: FlameAI Studio. Location: Global. Language: English (US).
Printable Sudoku with a clean PDF grid and answer key.
Puzzle ID: 184 - Updated: December 23, 2025 (UTC)
Today's printable Sudoku - December 23, 2025 (UTC)
This printable set changes daily.
Printable for December 23, 2025 (UTC). Part of today's rotating printable set.