The Goal of the Game

Ultimate Tic-Tac-Toe is played on a 3x3 game board. Just like the classic game, the person who first arranges their own symbol (X or O) 3 times in an uninterrupted line (horizontal, vertical, or diagonal) on the game board wins.

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The Ultimate Board

The twist in the Ultimate variant: Each of the 9 single fields in turn consists of a small, regular 3x3 Tic-Tac-Toe game. You cannot simply place your symbol in a single field. To claim a single field for the final score, you must first win the small game inside the single field.

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Every Turn is a Command

Your move determines where your opponent must play next. The position of your placed symbol in the current single field dictates the next single field for the next move. For example, if you place your symbol in the bottom-left corner of the current single field, your opponent is forced to make their next move in the bottom-left single field. Every move requires forward thinking!

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Free Choice

What happens if your opponent sends you to a single field that has already been won or is completely full? In this case, you have a free choice! You may place your symbol in any free field on the entire game board. This is the moment that often completely turns a game around.

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Options & Special Rules

• Starting Player: Determine whether Player 1, Player 2, or random starts. In a direct rematch, the person who lost the previous game automatically starts.
• Draw Rules: Normally, tied fields simply remain blocked. However, if this option is activated for single fields or the overall board, the following rule applies: If a field ends in a draw (nobody gets 3 in a row), it is automatically completely cleared! This prevents blocked games and forces a clear winner.
• Turn Timer: Activate a timer to limit the thinking time per turn. If the time runs out, a selectable penalty applies:
  - Skip turn: You lose your turn and your opponent gets a free choice on the entire board.
  - Lose single grid: The opponent automatically wins the current small grid.
  - Lose entire game: You instantly lose the whole match.
  - Drinking game: You must take a shot, but you can still finish your turn afterwards.

v1.0.10

• In Manual the background Color in light mode is now white instead of black
• Fixed a bug which made playing with 'Skip Turn' penalty impossible

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v1.0.9

• Timer-Penalties explained in the manual
• Seconds abbreviated in dropdown settings

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v1.0.8

• Changed Timer Input to a custom Dropdown
• Added Timer info texts and manual entries
• Moved Timer inside Option UI
• Adjusted dropdown font sizes for better readability

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v1.0.7

• Added Turn Timer feature
• Added four different Timeout Penalties (including a Drinking Game mode)
• Linked the logo to the index.html

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v1.0.6

• Automatic language selection implemented
• Changed language flag order
• Changed scoreboard
• Added reload browser warning to prevent losing current game state
• Added Reset Options button
• Options now will be saved on your device
• Added different warning massages

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v1.0.5

• Added four new languages (es, it, fr, nl)

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v1.0.4

• Complete AI rework - much better now
• Network/Online game improved

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v1.0.3

• More AI improvements
• Manual added
• Changelog added
• Light/dark mode switch added on start screen

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v1.0.2

• Massive improvement to the AI opponent - on high difficulty settings, it is now significantly more challenging
• Small UI-improvements

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v1.0.1

• Arabic language support improved
• Bugfixes and UI-improvements

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v1.0.0

• Release Version