價格：免費
檔案大小：11.3 MB
版本需求：需要 iOS 8.0 或以上版本。與 iPhone、iPad 及 iPod touch 相容。
支援語言：英語
XO brings Tic Tac Toe on your Watch, iPhone and iPad.
3 GAME MODES:
- Watch vs. iPhone: Give your iPhone to a friend and play against he.
- Local multiplayer: Human vs. Human on your Watch, iPhone or iPad
- Human vs. Bot: Play against your device with 3 different difficulties.
TUTORIAL:
Change game mode: Tap menu icon (≡) > Tap New Game
Watch vs. iPhone: You can start a match with this game mode only from your Watch
Play again: Tap the board to play again immediately
支援平台：iPhone, iPad