Kill 10 enemies, each with one gunshot (Single Player)
Launch the silo missile
Collect all trophies
Overthrow Putzki and liberate Albatropolis
Invite a friend and 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
Kill yourself as an Elite Penguin on Palace TV in Chapter 13
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)
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