By design. On top of each skill's own cooldown there is a shared inter-skill cooldown — after any cast, all skills are locked for several turns. This keeps skills as decisive moments rather than an every-turn rotation, and it applies equally to you, your opponent, and the AI.

If no human opponent is found quickly, an AI opponent is assigned automatically so you can start playing right away. To improve your chances of a human match, use a common board size and make sure you're signed in to Game Center.

Open the store screen and tap Restore Purchases. Make sure you're signed in with the same Apple Account used for the original purchase. All purchases are one-time unlocks and restore free of charge on a new device.

Check Settings → Game Center to confirm you're signed in, verify your network connection, and fully relaunch the app. Rank points are submitted after a match ends, so you may need to finish one game before appearing on the leaderboard. You can still play without Game Center (against AI).

No. Board skins are purely cosmetic — they change how the board and stones look, and grant no bonuses of any kind.

They do not touch the rules of Go, rank-point scoring, or competitive fairness: the game is decided exactly the same way on a free board as on a paid one.

Yes — captures, liberties, ko and positional superko, and Chinese area scoring are all fully implemented. The spirit skills are a fun layer on top of a genuine Go engine.

Simplified Chinese, Traditional Chinese, English, Japanese, and Korean, following your system language. Requires iOS 17 or later; runs on iPhone and iPad.

App Store refunds are handled by Apple. Please visit reportaproblem.apple.com and sign in with your Apple Account.