Need a hand?

How do I place a cat?

Double-tap a square. Tap once to mark × where a cat cannot go. A second single tap clears an ×. Open How to play for illustrated rules and a practice square.

Where is my progress?

It stays on this phone. Before changing phones, open Settings → Save a backup and export a file. Restore that file on the new phone. Restoring replaces the save currently on the phone.

How do I change language?

Open Settings → Language. Choose English, हिन्दी or Device language. Unsupported device languages use English.

Why is today’s puzzle locked?

Finish level 10 to unlock it. Daily and weekly challenges use your phone’s local date.

Does it need internet?

Puzzles work offline. Google Play ratings, email support, policy pages and any cloud destination you choose in the file picker need a connection.

Report a problem

Email classhai.ofc@gmail.com with your phone model, Android version, level and what happened. A screenshot helps. Avoid including sensitive information.