Gradeless

Never Lose Tic Tac Toe

Play X or O. Spot the win, block the other side, and set up two ways to win at once — the moves that mean you never lose!

Puzzles & Strategy Games · Grades 1–4 · 8 levels · Free

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8 levels

  1. Win in one
  2. Block the O
  3. Win or block?
  4. Count the ways to win
  5. Make a fork
  6. Only one safe square
  7. Every move, typed
  8. Every move, timed

What it practises

  • Winning and Blocking Moves
  • Thinking Two Moves Ahead

More Puzzles & Strategy Games lessons

Gradeless is free: short math and learning lessons for kids in kindergarten to grade 5, each one starting where your child is. For grown-ups