The Title Update 2.6: Map Madness Title update for World of Tanks has 8 achievements worth 150 gamerscore.
Destroy 4 enemy tanks in a single match while using a British tank. MP Only.
Use consumables 3 times in battle.
Damage a single enemy's viewfinder and commander. MP Only.
Destroy 100 non-track modules. MP Only.
Destroy 2 enemies while being the last player alive on your team. MP Only.
Block more damage than 2x the hitpoints of your tank. MP Only.
Destroy an enemy while undetected. MP Only.
Earn a "Reaper" medal. (Awarded for destroying 3 tanks in a row with one shell each.)