If anyone needs help with the "Death Never Sleeps" badge, this worked best for me: 1) Don't try it without getting to at least "insane" difficult levels, it is much easier with more enemies on the screen. 2) Only attempt it at the beginning of each wave and at the edge of the screen. 3) Use Stunattack, then Slambomb. If you aren't at x2, try again. 4) Use a Attackjump and aim it at an enemy. Once you get to 3x with these three, you are halfway there. 5) Use Teleport, Charge, Teleport, Charge back and forth quickly until you get to 20x Godlike. Its not an easy badge but this strat turned out to work best for me.
As mentioned by qFxGaming: Level 11, the 10x10 is only solvable through brute force. I don't think that adds to the fun of the game at all. I would suggest removing puzzles that cannot be solved logically.
I really want to love this game because the concept is really good, but the controls are irritating. The wall-jumps in the middle levels made me quit the half-way through.
 "Agony: The Portal"){kind=icon}
 "NoNoSparks: The Ark"){kind=icon}
 "Primary"){kind=icon}
 "Cover Orange 2"){kind=icon}
 "Pirate Defense"){kind=icon}
 "Wooden Path"){kind=icon}
 "Bloons Tower Defense 3"){kind=icon}
 "The Fancy Pants Adventures"){kind=icon}