4D Game Settings

Choose a Style, adjust the settings, and start a new game.

Use the logo (top left) to Return or Escape

Select a Style:  See the Styles

Player One:     using 

vs.

Player Two:  

Computer plays automatically
Computer less savvy (Easier)

The board will show lines that have just added to the score.

Rules

  1. Each of the two players uses 'X' or 'O' as a token, and they take turns to occupy available squares.
  2. Any line of three occupied squares (in any direction or dimension) scores a point.
  3. The winner is the player with the most points when all available squares have gone.
  4. The most central square gives too much advantage and is not available to either player.

Scoring Lines

To get your head around it, consider Two and Three dimensions first...

» In two dimensions, when you score a point for each line or diagonal, X would make two points for going in the top left corner

XXX
 X 
  X

» In three dimensions with one board conceptually above the other, X would make three points for the top left corner in the following situation

X  
X  
X  
Lower
X  
X  
   
Middle
X  
   
X  
Upper

» In four dimensions X would make four points for going in the top left corner in the following situation

X  
X  
X  
X  
 X 
   
X  
   
  X
   
   
   
 X 
   
   
   
   
   
   
   
   
   
   
   
  X
   
   

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From https://4dtictactoe.me/games/4D/ on 23rd April 2026 at 12:02

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