Plan beyond the next step
Look at several escape routes before placing a blocker. Closing one nearby space can leave another route open.

Tap an empty hexagon to block it. The cat moves after every turn. Close its routes before it reaches the edge.

Tap an open hexagon to close a route.
The cat moves after your turn. Check the paths still open.
Surround the cat before it reaches the edge.
Look at several escape routes before placing a blocker. Closing one nearby space can leave another route open.
A blocker farther from the cat can help close a wider gap. Watch how each move changes the remaining routes.
Play in your browser, or download the official iOS and Android versions using the links above.
Keep the cat from reaching the edge by blocking spaces on the hexagonal board.
The browser collection also includes a separate Catch the Cat challenge. Its game page links to that browser version.