These levels are challenging and feature extremely fast game play. Try to familiarize yourself with every tool you can use currently. You must execute every action swiftly. Use the "Replay" button to practice mastering your technique.
Stars
Stars are required unlock more levels. Replay levels until they are completed with a three-star rank.
Various strategies
Every level has a particular pattern and a required type of action must be performed to progress. Memorize those patterns and complete them as fast as possible.