XO: Modern Tic-Tac-Toe adds depth and style to the classic 3×3 board. A fresh 4th-move rule keeps every match in motion — when you place your fourth mark, your first disappears — turning quick rounds into clever, ever-shifting duels. Play solo against adaptive AI or pass-and-play with a friend. Enjoy a clean dark canvas, neon-glow X and O, smooth haptics, and full Arabic & English support. • New 4th-move disappearing rule for deeper strategy • Local multiplayer & smart single-player • Fast animations, crisp haptics, and win highlights • No ads • Works offline • Full Arabic (RTL) and English localization Subscription required for full access. Pricing varies by region and is managed securely through the App Store.