Find the Counting Cube artifact.

Find the Writing Cube artifact.

Bring 50 enemies closer to you.

Curiosity never killed anyone right? Open your first secondary path.

Discover Lapino's little secret.

Put 25 Predators to sleep. The eternal kind.

Achieve a 30 hit combo.

Be careful and finish a level without taking damage from start to finish, after obtaining the book.

Roundabouts are fun, but not too much.

You have opened the book for the first time.

Complete your first "extra thing to do"

Complete all Death Mode and Beat School levels.