Collect all trophies

Overthrow Putzki and liberate Albatropolis

Complete the Cooperative game mode

Kill 100 penguins or clones (Single Player)

Kill 300 penguins or clones (Single Player)

Find 3 Signs

Find 20 Signs

Find all 45 Signs

Juggle an enemy for 10 seconds (Single Player)

Kill a helicopter penguin with his own missile

Kill 6 helicopter penguins with their own missiles

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

Kill 30 Penguins as they step out of a door (Single Player)

Brainbug 30 enemies

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

Kill 20 enemies while brainbugging

Brainbug at least one penguin from each of the 7 penguin ranks, including Putzki in a single playthrough

Kill Mega-Brno in Hardboiled mode

Kill 2 enemies with one grenade

Kill 3 enemies with one grenade

Kill 6 enemies with the bazooka

Find all four episodes of Putzki on TV in a single playthrough

Launch the silo missile

Kill yourself as an Elite Penguin on Palace TV in Chapter 13

Kill 10 enemies, each with one gunshot (Single Player)

Kill an enemy by knocking him into a laser door (Single Player)

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

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

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

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