Save partner 10 times when HELP is displayed.

Defeat a Majini using the electric current from a transformer.

Defeat 20 enemies with physical attacks.

Deflect a bow gun arrow with your knife.

Complete Chapter 1 - 1 on any difficulty setting.

Defeat 3 Majini at once by setting oil canisters on fire.

The player has fully upgraded two weapons

The player has successfully invented all possible ammo types

The player has restored the forests of Arcadia

The player has purchased every slot in one of the Plasmid or Tonic tracks

The player has fully researched the Thuggish Splicer

Take the Prince for a ride.

Make BOY's body grow thicker while keeping his head small.