Purchase all Health Upgrades.
Knock an enemy back into a mine.
Complete all Chapters on Easy.
Free the Slaves.
Complete Chapter 14.
Stun 3 enemies at once with a Radial Stun Blast.
Stun 75 different enemies.
Complete Chapter 13.
Use Stun Blast then Plasma Blast to kill 25 shielded enemies.
Complete Chapter 12.
Complete Chapter 11.
Kill a Broadcaster with 1 second on the clock.
Complete Chapter 10.
Collect half of the Masks.
Beat Pigsy to the top of the Decaying Titan.
Purchase all Combat Upgrades.
Complete Chapter 9.
Collect half of the Tech Orbs.
Complete Chapter 8.
Kill 200 enemies.
Complete Chapter 7.
Complete a Chapter without dying (Except Chapter 1).
Complete Chapter 6.
Complete Chapter 3.
Headshot a Demolition mech 20 times.
Sneak past a group of enemies without alerting them.
Complete Chapter 2.
Complete Chapter 1.
Complete all Chapters on Normal.
Complete all Chapters on Hard.
Rescue Trip from the Dog in less than 36 seconds.
Rescue Trip from the Rhino in less than 35 seconds.
Kill the Rhino without getting hit by his Charge Attack.
Distract 20 different enemies.
Use the Bomb Takedown to kill 2 enemies.
Use the Gun Scout Hijack to kill 10 enemies.
Perform 20 Counter Attacks.
Kill 3 enemies with a penetrating Plasma Blast.
Perform 20 Evade Attacks that hit an enemy.
Rescue Trip 3 times after she has performed an EMP.
Complete a Chapter without losing any health.
Complete Chapter 4.
Purchase all Upgrades.
Purchase all Staff Upgrades.
Purchase all Shield Upgrades.
Collect all Masks.
Collect all Tech Orbs.
Pigsy's Perfect 10: Reach the top of Dead Man's Pea.k
Complete Chapter 5.
Pigsy's Perfect 10: Find all the parts to build Perfect 10.
Pigsy's Perfect 10: Complete all levels.
Pigsy's Perfect 10: Finish the Shooting Gallery under 40 seconds without shooting any pin-ups.
Pigsy's Perfect 10: Ally a single Mech 2 times.
Pigsy's Perfect 10: Stun 5 enemies using one single EMP device.
Pigsy's Perfect 10: Ally 4 enemies using one single Ally device.
Pigsy's Perfect 10: Kill 4 Mechs with 1 Bomb device.
Pigsy's Perfect 10: Use all 4 devices on one enemy.
Pigsy's Perfect 10: Collect all hidden food and pin-up girls.