Well... it is funny, but in a way games should not be - i laughed, because i was stunned of this immense stupidity the game expresses. Then suddenly i realized that i actually wasted 2 minutes of my life by playing something, i couldnt understand at all... What the Hell?
Hmm... first rate of fire upgrades then money then even more rate of fire!
I stopped at 150 - it gets boring because the bo...enemys dont get faster or stronger.