Bazookin'
Kill 6 enemies with the bazooka


Brainbug Fever
Brainbug 30 enemies


Dirigibully
Kill all penguins stationed on the small zeppelin in Chapter 8 (Single Player)


Disgruntled Worker
Find 3 Signs


Door Sentry
Kill 30 Penguins as they step out of a door


Excessive Stacking
Stack all 3 crates near the end of Chapter 11 (Single Player)


Flight Instructor
Juggle an enemy for 10 seconds


For What Reason?
Launch the silo missile


Friendly Transit
Carry the other cooperative player for 500 meters in the same chapter without dying


Hardboiled Seal
Kill 100 penguins or clones


High Treason
Brainbug the penguin above the star in Chapter 6 (Single Player)


Hindenburger
Kill all penguins stationed on the zeppelin in Chapter 3 (Single Player)


Laser Assist
Kill an enemy by knocking him into a laser door


Own Medicine
Kill a helicopter penguin with his own missile


Personal Space
Punch or kick 100 times


Turncoat
Kill 20 enemies while brainbugging


Two Birds One Stone
Kill 2 enemies with one grenade


Big Blimpin'
Kill all penguins stationed on the big zeppelin in Chapter 8 (Single Player)


Hydrogen Run
Escape the large zeppelin with 40 seconds or more on the timer


One Shot One Kill
Kill 10 enemies, each with one gunshot


Own Pharmacy
Kill 6 helicopter penguins with their own missiles


Rebellious Laborer
Find 20 Signs


Too Many Too Soon
Kill 3 enemies with one grenade


Bird Brained
Brainbug at least one penguin from each of the 7 penguin ranks, including Putzki


Dirty Half-Dozen
Complete the Cooperative game mode


Fear the Spur
Kill Brno with the knife


Hardboiled Orca
Kill 300 penguins or clones


Mission Complete
Overthrow Putzki and liberate Albatropolis


Revolutionary Fighter
Find all 45 Signs


Platinum Trophy
Collect all trophies