Unlock Stage 2 by achieving 20/30 completion on Stage 1.
Unlock Stage 3 by achieving 20/30 completion on Stage 2.
Unlock Stage 5 by achieving 20/30 completion on Stage 4.
Unlock Stage 4 by achieving 20/30 completion on Stage 3.
Attain 30/30 completion on Stage 1.
Attain 30/30 completion on Stage 2.
Attain 30/30 completion on Stage 4.
Attain 30/30 completion on Stage 3.
Attain 30/30 completion on Stage 5.