Defeat the Morph Assassin
Complete the Jungle level
Destroy the Master Brain during the Conjunction.
Drive a bike for the first time
Complete every Job Agency mission
Assemble the mecha
Complete the Mutant Village level
Defeat the Radiant Alpha
Complete the New Tokyo level
Complete the New Washington level
Free Helen in Lazarus's Ship
Complete the Morph Vessel level
Fail to destroy the Master Brain during the Conjunction.
Get the gun
Free Ian
Kill the fake president
Collide with 10 vehicles on the freeway
Help Lo'Ann
Win the mech fight
Defeat General Lazarus
Kill the real president