Grid Master X and O

Grid Master X and O takes the classic tic-tac-toe game to a whole new level.

Start with the traditional 3×3 board, learn to anticipate your opponent’s moves, and face increasingly complex challenges on boards up to 6×6.

FOUR CHALLENGE LEVELS

• Easy — 3×3 board, three symbols in a row • Normal — 4×4 board, four symbols in a row • Hard — 5×5 board, four symbols in a row • Master — 6×6 board, five symbols in a row

Challenge the computer, build your strategy, and find the winning combination before Grid Master does.

FEATURES

• Simple rules with progressive challenges • Clean, modern, and intuitive interface • Automatic win and draw detection • Winning combinations are highlighted • Quick games with no registration required • Available in seven languages

Easy and Normal levels are free.

A single permanent purchase of Grid Master Pro unlocks the Hard and Master levels on the 5×5 and 6×6 boards.

Think ahead. Master the grid.