Defense Lab

"Defensive turrets are unlocked and upgraded in the Defense Lab. Upgrade the Defense Lab to gain access to new and superior turrets."

- In-game description

Gun Color
As of 10/25/2012 Towers have colors on them to show what level the gun is.

Level 1 = green/gray

Level 2 = yellow

Level 3 = purple/pink

Level 4 = blue

Level 5 = red

Fun Facts

 * You need a Defense Platform place a Turret.