The Hardboiled Chicken
Complete all six chapters in Part 1
The Search and Rescue Strikeforce
As host, complete a rescue mission for all four locations in Part 2
The Road Less Traveled
Rescue Hardboiled Chicken for Part 2 in the game
Signs of Evolution
Find all 18 signs in all 6 chapters in Part 1
Signs of Hardboiled Chicken
Find 9 signs in any three chapters in Part 1
Signs of Revolution
Find all 3 signs of a single chapter in Part 1
UFO Hit and Run
Kill all enemies during Hardboiled's final, successful escape in Chapter 6
Space Owl Droppings
Drop six Space Owls into the liquid ooze in Chapter 6
Half Minute Hexapod
Defeat the swinging hexapod, once you see its health bar, in under 30 seconds in Chapter 5
The Spider's Nose
Stand on the Hexapod's Nose while it is firing its missiles in Chapter 4
Goose Brother Blast
Detonate a bomb near either G-man in the final show-down in Chapter 2
The Obeyor
Make enemies kill 15 co-workers in Chapter 2
The Infiltrator
Melee kill 15 Enemies in a row without triggering the alarm in Chapter 2
The Headhunter
Headshot kill 15 enemies in a row in Chapter 1
The Informant
Get someone to tell you what's up ahead in Chapter 1
Shoot Yourself, Putzki
Make Putzki shoot himself in Chapter 1
The Great Unlocker
Unlock 100 costume items or weapons in Part 2
Awesome Achiever
Attain 3 star scores for all four locations in Part 2
Sharp Shooter
Attain a 80% or higher accuracy score on a mission in Part 2
Construction Complete
As host, collect all nine artifacts in Part 2
UFO Hostage Missions
Unlock all 4 hostages in the UFO in Part 2
Jungle Hostage Missions
Unlock all 4 hostages in Jungliana in Part 2
Factory Hostage Missions
Unlock all 4 hostages in Putzki's Pork Plant in Part 2
Castle Hostage Missions
Unlock all 4 hostages in Putzki's Castle in Part 2
Big Spender
Spend more than 50,000 bucks in Part 2
Penguins go Pop
Headshot kill 100 enemies in the game
Crimes of Passion
Melee weapon kill 100 Enemies in the game
Bouncing Grenade Mayhem
Kill 4 Enemies with a single grenade shot in the game