Survived until Round 8 on Knights of the Air
Survived until Round 5
Finished Netopyr
Completed any level in Elite mode
Finished The Long Push
Guided a shell to its destination
Defeated RoboBob
Shot down 40 UFOs with your P-51 Mustang
Defeated the K-Wagen
Defeated the Rail Gun
Defeated the Uber Tank
Got a 40x blast combo
Defeated the Zeppelin
Defeated the Tsar Tank
Completed Level 1
Earned General Rank on any level
Earned an Overall Rank of General on all Campaign levels
Completed All German Levels and Ration Tickets
Found all of the Golden Cubes
Found all of the Golden Rockets
Got the Standard Bearer to the Flag Base
Survived until Round 8 on Creative Defense
Survived until Round 9 on Siege of Maubeuge
Survived until Round 9 on Invasion!
Found all of the Platinum Cubes
Won a Multiplayer Match on every level