Nikoli Game Hub
Welcome to the puzzle workbench. Train your brain with our quick mini games, designed in collaboration with math enthusiasts and puzzlemasters.
Mini Sudoku 6x6
The modern daily puzzle. Fast, fun, and uniquely solvable using numbers 1–6.
Tic-Tac-Toe
Classic alignment game. Play against our automated laboratory AI.
Lab Notes
Logical Dedux
Sudoku puzzles, like molecular crystals, rely on strict rules of alignment. No cell can share a state with its column, row, or regional block peers. Try to complete the grids in record time and build your daily solving streak!
Version 1.4.0 (Static Build) • Responsive Design Approved