Northend Tower Defense achievements

down 10 planes using Bofors

Unlock 1 New Unit

Complete the tutorial

Use an ability tank 5 times

use 10 barbwires

Win 1 round

Heal 100 units with medic

Kill 100 units with machine guns

Unlock one upgrade for any unit

Win a round while the commander have 100% health

Use commander in battle

Call 5 airborns