X vs O: Tic Tac Toe

About this app

The classic game of Tic Tac Toe - now with BIG boards! Play the timeless 3x3, or step up to 5x5 (four in a row) and 7x7 (five in a row, Gomoku style) for real strategic depth. One purchase, everything included. No ads. No in-app purchases. No subscriptions. BOARD SIZES - 3x3 - the classic you know - 5x5 - get 4 in a row, plan ahead - 7x7 - get 5 in a row, pure strategy - Bigger boards earn x2 / x3 points and XP SMART AI - 5 DIFFICULTY LEVELS From a relaxed Rookie to an unbeatable Legend - an opponent for every skill level, on every board size. BOSS BATTLES Face 5 unique AI bosses, each with its own personality: the unpredictable Trickster, the unbreakable Defender, the lightning-fast Speedster, the ruthless Mastermind and the wild Chaos. PLAY TOGETHER - Online multiplayer: create a room, share a code or QR, play with anyone - Pass & Play: two players, one device - Best of 3, 5, 7 or endless matches PROGRESS & REWARDS - Earn XP, level up to 100 - Climb 17 ranks - from Bronze to Grandmaster - 28 achievements to unlock - Daily challenges with bonus rewards - Global Game Center leaderboard MAKE IT YOURS 13 beautiful themes: Neon, Space, Ocean, Fire & Ice, Halloween, Matrix and more. Your progress syncs with iCloud. Available in English, Russian, French, German and Spanish. Download now and become the ultimate XO champion!

A BIG update - literally! - NEW: 5x5 board - get four in a row - NEW: 7x7 board - get five in a row (Gomoku style) - Smarter AI tuned for every board size - bosses included - Bigger boards reward x2 / x3 points and XP - Everything is now included: all difficulties, all themes, all bosses - no in-app purchases - Bug fixes and performance improvements

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1. First observed Sep 5, 2026 · 5:17 PM $3.99