| Achievement | How to unlock
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| - Kill 6 enemies with the bazooka.
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| - Kill all penguins stationed on the big zeppelin in Chapter 8 (Single Player).
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| - Brainbug at least one penguin from each of the 7 penguin ranks, including Putzki.
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| - Kill all penguins stationed on the small zeppelin in Chapter 8 (Single Player).
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| - Complete the Cooperative game mode.
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| - Kill 30 Penguins as they step out of a door.
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| - Stack all 3 crates near the end of Chapter 11 (Single Player).
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| - Kill Brno with the knife.
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| - Juggle an enemy for 10 seconds.
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| - Carry the other cooperative player for 500 meters in the same chapter without dying.
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| - Kill 300 penguins or clones.
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| - Kill 100 penguins or clones.
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| - Brainbug the penguin above the star in Chapter 6 (Single Player).
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| - Kill all penguins stationed on the zeppelin in Chapter 3 (Single Player).
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| - Escape the large zeppelin with 40 seconds or more on the timer.
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| - Kill an enemy by knocking him into a laser door.
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| - Overthrow Putzki and liberate Albatropolis.
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| - Kill 10 enemies, each with one gunshot.
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| - Kill a helicopter penguin with his own missile.
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| - Kill 6 helicopter penguins with their own missiles.
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| - Kill 3 enemies with one grenade.
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| - Kill 20 enemies while brainbugging.
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| - Kill 2 enemies with one grenade.
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