Here is the full list of all 15 Tank Battle: 1945 achievements.
Destroy 1 Tiger-i Tank.
Destroy 10 Tiger-i Tanks.
Destroy 1 Panzer-ivh Tank.
Destroy 10 Panzer-ivh Tanks.
Destroy 3 enemy units without losing any of your own.
Destroy 8 enemy units without losing any of your own.
Destroy 12 enemy units without losing any of your own.
Complete 5 scenarios on Hard difficulty.
Complete 10 scenarios on Hard difficulty.
Complete 15 scenarios on Hard difficulty.
Complete Tutorial Campaign.
Complete Counter Attack Campaign.
Complete America Triumphs Campaign.
Complete Albion's Revenge Campaign.
Complete Red Storm Campaign.