Guys, how much Pay2Win is in this game? I just registered and downloading it now.
It's Pay4Convenience, and then there are cosmetic items (just like Fab said). The ratio for Blocks:GC is however very high so I would recommend against it anyway.
In my early levels, I had this tank named Skorpion:

It's quite sad when I realized this is however more effective:

That's a L2S Rail Cannon by the way.