Here is the full list of all 28 War, the Game achievements.
Join a network game.
Win a network game.
Achieve the special in the operation 'The Art Of War'
Gain a total of 30 stars in your career
Complete the optional operation 'World War'
Occupy the city of Tripoli
Occupy the city of Jakarta
Achieve the special in the operation 'Great War'
Be awarded 5 stars in one operation
Deploy an infantry unit on the South Pole.
Point out Sri Lanka with the cursor.
Use the Suez canal with your navy.
Build an aircraft carrier
Achieve the special in the operation 'Anarchy'
Construct and use a nuclear bomb
Occupy the city of Moscow
Build a bomber squadron
Achieve the special in the operation 'Distant War'
Gain a total of 10 stars in your career
Achieve the special in the operation 'Balance of Power'
Pay close attention to the in-game guide.
Be awarded 3 stars in one operation
Ship infantry by clicking on overseas destination
Complete the 3rd operation in the game
Build any unit to strengthen your forces.
Pay attention to the in-game guide.
Complete the first operation.
Start a battle with the enemy