Go Sudoku — Free Daily Sudoku Puzzles Online

Play free Sudoku in your browser: a fresh, hand-checked daily challenge every day, classic grids from Easy to Expert, plus Killer and Jigsaw variants. Smart notes, an optional coach that teaches every solving technique, and a 1,000-level ladder. Offline-first, no ads.

New to Sudoku, or stuck on a tough grid? Learn the solving techniques step by step — from naked singles all the way to the X-Wing.