Complete the indicated task to unlock the corresponding doll for purchase.

Fool
Complete the game four times time under a new difficulty setting, or in Solo Voyage mode with a doll you have not completed with yet.

Fourtuner
Complete the game three times time under a new difficulty setting, or in Solo Voyage mode with a doll you have not completed with yet.

Lovers
Complete the game two times times under a new difficulty setting, or in Solo Voyage mode with a doll you have not completed with yet.