The Title Update 3.4: Overlord Title update for World of Tanks has 7 achievements worth 150 gamerscore.
Enter a battle with 3 types of Equipment on a tank. MP Only.
Destroy 4 enemy tanks in a single match while using a Soviet tank. MP Only.
Survive for one minute while detected as the last remaining member of your team. MP Only.
Request Fire on a target and have it destroyed by an ally within 30 seconds. MP Only.
Destroy an undetected tank. MP Only.
Play in one of each camo locale with camo equipped. MP Only.
Destroy 4 enemy tanks in a single match while using a German tank. MP Only.