Easy way to accumulate score. hold A then click off screen with full basic arrow and thunder arrow. and sit back walk away from the computer have a snack youll never die, i haven't yet.
got the badge Chain Champ (completed)
Chain Champ Badge (medium – 15 points)
Unlock the Chain Champ medal by getting a combo of 75 in IndestructoTank! AE
You acquired this badge on Jul. 03, 2008.
but did not get the challenge Wtf?
 "GemCraft chapter 0"){kind=icon}
 "Boxhead: The Zombie Wars"){kind=icon}
 "Little Fish in a Big Sea"){kind=icon}
 "Fallguy"){kind=icon}
 "Trick or Treat Adventure Quest"){kind=icon}
 "Boombot"){kind=icon}
 "Epic war"){kind=icon}
 "IndestructoTank! AE"){kind=icon}
 "Flash Flash Revolution - Kongregate Application"){kind=icon}