Implementation of simple online Tic-Tac-Toe game. Two players, first one to win 5 games wins a match. Players can also see their match history and their position in global ranking. Game uses ELO system for matching players to match. Game is based on client server system. Both server and client were written using C#. Client also used WPF framework for UI. Client implements Model–View–ViewModel design pattern.

• C#
• MySQL
• WPF (for client UI)