Scout/Pistol dude

Pistol Dude is the starter tower.

Underline

cost in game : free

base cost : 300

upgrade 1 : cost 150 +1 range +1 damage +sunglasses dps = 1

upgrade 2 : cost 300 +1 damage spa 2>1.5 +better revolver dps = 1,5

upgrade 3 cost 750 +4 damage +2 range +Tophat dps = 2

upgrade 4 cost 450 +2 damage +6 range +scope dps = 3

upgrade 5 cost 3500 +20 damage dps = 15

total cost = 5 450 total damage = 30 total range = 25/24 dps = 15

If you have some friends or sec account you can win the game in placing like 90maxed of him and some support like farm or freezer (I tested in normal)