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