This project was created by Nate in about 4 hours using Scratch. There are many other tic-tac-toe games like this on the Scratch website..

Pseudo Code for this project goes as follows:

• Start Game
  • What does game look like?
  • Draw Board
    • What character / effects will draw board?
    • Board Color?
    • Draw board on paper
• Do Until Winner or Tie
  • X selects square
  • Check Winner or Tie
  • O selects square
  • Check Winner or Tie

• How does player decide square? Drag and drop? Keyboard?
• How to Check Winner or Tie?
  • How to detect where X and O are?
  • Check for colors?
  • When X or O Moves, we record where they move?

  
  Check Winner Or Tie
  O selects square
  Check Winner Or Tie
End

If O Wins
  Say "O Wins"
If X Wins
  Say "X Wins"
Else
  Say "Tie Game!"
End

Download the Scratch Tic-Tac-Toe Game