Engineer

The Engineer is a Tier 4 tank that branches from Builder and Arsenal at Level 45. These type of tanks can mostly "defend" more than "attack".

Design
The Engineer has a circular body and a rectangular piston (2 bases, 1 smaller than the other) with a block launcher on top of the base.

Technical
The Engineer shoots blocks with auto turrets on top, known as Pillboxes. The Engineer can fire up to 6 of these by left-clicking.

Upgrades
The Engineer upgrades from the and the  at level 45.

The Engineer can upgrade into the following:
 * Convector
 * Technician
 * Mechanic
 * Deviser
 * Programmer
 * Inventor
 * Operator
 * Designer
 * Sheriff
 * Litterer
 * Worker
 * Dynamo
 * Artisan
 * Flashbang
 * Tri-Engineer
 * Dealer
 * Engineer-2
 * GPS
 * Trickster
 * Greaser
 * Chopin
 * Dispulsor
 * Dual Engineer

As the Engineer

 * Use your pillboxes to block off areas and their auto-turrets to attack enemies.

Against the Engineer

 * The Engineer can only spawn 6 pillboxes until some despawn.
 * Beware of running into pillboxes; they hurt.