No missable achievements (plus 17 unknown)
Sign in with Steam or Xbox to track your progress, and:
Complete level 1
Earn General Rank on any level
Defeat Tsar Tank
Guide a shell to its destination
Defeat Zeppelin
Defeat Uber Tank
Complete the Campaign
Shoot down 40 UFOs with your P-51 Mustang
Defeat the K-Wagen
Survive until Round 5
Complete any level in Elite mode
Defeat RoboBob
Get a 40x blast combo
Earn General Rank on all Campaign levels
Find all of the golden cubes in The Kaiser's Battle
Find all of the golden rockets in Invasion
Complete Campaign+ and earn all Ration Tickets