Make it 13! puzzle

In this puzzle game, a musician must add music to the world to satisfy a moody orchestrator's expectations. The musician's goal is to meet the orchestrator's peculiar and increasing demands, examining various combinations of notes to reach the requested key.

The player expertly works with 13 keys to create a perfect harmony, which grows increasingly complex in each level. The game runs smoothly in the browser, with no need to download or register an account. By paying close attention to musical theory, the musician must create the correct composition to move to the next step, ultimately overcoming the unique challenges set by the moody orchestrator.