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