Upgrade all player abilities to maximum levels

Retrieve five crossbow bolts from dead zombies

Kill 30 zombies in a row using only blunt weapons

Kill 20 zombies in a row using only slide-kick attacks

Complete level without taking any damage

Kill 5 or more zombies in one shot

Kill over 1000 zombies

Complete any non-tutorial level

Picked all the right options in Saki's route.

Nana brilliantly solves the mystery.

Picked all the right options in Nana's route.

Seen everyone's events at the beach.

Finished chapter 3.