Steam Achievements
- Bazookin' - Kill 6 enemies with the bazooka
- Big Blimpin' - Kill all penguins stationed on the big zeppelin in Chapter 8 (Single Player)
- Bird Brained - Brainbug at least one penguin from each of the 7 penguin ranks, including Putzki
- Brainbug Fever - Brainbug 30 enemies
- Dirigibully - Kill all penguins stationed on the small zeppelin in Chapter 8 (Single Player)
- Dirty Half-Dozen - Complete the Cooperative game mode
- 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)
- Fear the Spur - Kill Brno with the knife
- 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 Orca - Kill 300 penguins or clones
- 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)
- Hydrogen Run - Escape the large zeppelin with 40 seconds or more on the timer
- Laser Assist - Kill an enemy by knocking him into a laser door
- Mission Complete - Overthrow Putzki and liberate Albatropolis
- One Shot One Kill - Kill 10 enemies, each with one gunshot
- Own Medicine - Kill a helicopter penguin with his own missile
- Own Pharmacy - Kill 6 helicopter penguins with their own missiles
- Personal Space - Punch or kick 100 times
- Rebellious Laborer - Find 20 Signs
- Revolutionary Fighter - Find all 45 Signs
- Too Many Too Soon - Kill 3 enemies with one grenade
- Turncoat - Kill 20 enemies while brainbugging
- Two Birds One Stone - Kill 2 enemies with one grenade
