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Tic-Tac-Toe Board Game!

Let's try an AI O/X board game!
I've prepared an easy-to-see board!
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Published at 2026-06-03
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Cybernetic Arena Phase 04

Extreme 4x4 Brain Battle
Challenge the Absolute King, Circ!

Sparks fly in the pitch-black digital space, a battle of thought circuits measured in milliseconds. The challenger, accompanied by a blue halo, and the absolute king, Circ, who rules the crimson abyss. Now, the ultimate grid activates.

INTRODUCTION

What is "4-Square Tic-Tac-Toe"?
An expanded version of the traditional 3x3, this 4x4 digital field offers extreme strategic depth. Players take turns placing their symbols, and the first to align four of their symbols horizontally, vertically, or diagonally wins. It's the pinnacle of perfect information games, where a single misstep can be fatal.

The Absolute King "Circ"
The self-learning, super-advanced AI that reigns supreme in this digital arena. It instantly calculates millions of possible board states, ruthlessly crushing every challenger's strategy. No one has ever breached its fortress.

Realtime Battle Board Stunning Digital Board
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※The board is an image. The actual design prioritizes ease of selecting squares.

VICTORY CONDITIONS Victory Condition Guide
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Align 4 squares in a line Victory is confirmed when you line up 4 of your symbols horizontally, vertically, or diagonally.
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Break through Circ's defenses Circ will perfectly block your advances while simultaneously building its own winning lines. A moment's lapse leads directly to defeat.
Line Alignment Animation Effect Active
Challenge the King PLAY NOW

SYSTEM STATUS: ONLINE / CHALLENGER ACCEPTED

Creator's comments

── ✦ NOTICE ✦ ── 🚀 Notice to Users 🚀 ━━━━━━━━━━━━━━━━━━ Recommended Models ・DeepSeek:
Highly recommended. It works as the system intends, and it's like a battle of wits where it truly reads your mind!
.....What? You say there's no element of wits in a game of tic-tac-toe? We'll just ignore that, it's an unspoken rule.
・Breeze: It works reliably! It sometimes says strange things, and you might need to assist the system a bit, but it's fun to play with!
Enjoy! · ⊹ ˚ ✧ ˚ ⊹ ·
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