✕ Tic-Tac-Toe  ·  GameXO

Classic X vs O desktop game — two players, one keyboard, zero mercy.

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Screenshot

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Features

• Two-player local gameplay — take turns on the same machine
• Instant New Game — reset the board in one click without restarting the app
• Win & draw detection — all 8 winning lines checked after every move
• Clean, minimal UI — 3×3 grid, large symbols, no distractions

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Tech Stack

Layer	Technology
Language	C#
UI Framework	Windows Forms (WinForms)
Runtime	.NET Framework 4.x
IDE	Visual Studio

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Getting Started

Prerequisites

• Windows OS
• Visual Studio 2019 or later (Community Edition is fine)

Build & Run

git clone https://github.com/denis-mikhalev/Game_Tic-tac-toe.git
cd Game_Tic-tac-toe/GameXO

1. Open GameXO.sln in Visual Studio
2. Press F5 to build and run

No NuGet packages, no external dependencies — it just works.

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How to Play

1. X always goes first. Click any empty cell to place your symbol.
2. Get three in a row — horizontally, vertically, or diagonally — to win.
3. If all 9 cells fill up with no winner, it's a draw.
4. Click New Game in the menu to play again.

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Project Structure

GameXO/
├── Game.cs              # Game state & win-detection logic
├── FormGame.cs          # UI event handlers & turn management
├── FormGame.Designer.cs # WinForms designer-generated layout
└── Program.cs           # Entry point

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License

Distributed under the MIT License. © 2026 Denis Mikhalev.