Too easy, too long. Beated this game using 11 mega cannons, and than once more two last levels using two exploding pierces. Second one was easier and faster :)
Anxsiously waiting for BT3, more similar to excellent BT2!
5/5, but two bad sides:
First, it's too short
Second, too memory consuming. 400 MB of RAM used by Opera after last mission and almost non-responding system at all.
Good side is that idea and atmosphere of the game is amusing. Realization of idea is a bad side. And the worth side is that the only cause of playing this game for more, than 10 minutes, are kongregate badges. 3/5
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