Join4
A modern implementation of the classic Connect Four game as an iMessage app extension. Overview Join4 brings the timeless Connect Four game directly into iMessage conversations. Challenge friends to matches without leaving your chat, featuring smooth animations and real-time gameplay validation. Features Classic Connect Four gameplay Seamless iMessage integration Real-time move validation and win detection Smooth animations for piece placement Automatic turn switching between players Win state detection for horizontal, vertical, and diagonal connections Asynchronous turn-based gameplay How to Play Open an iMessage conversation Tap the Join4 app icon in the iMessage app drawer Start a new game or continue an existing one Take turns dropping pieces by tapping on the desired column Connect four pieces in a row to win Technologies SwiftUI for modern UI Messages framework for iMessage integration MVVM architecture pattern Custom animations and game state management iOS 17.0+