The collision rules will apply all weekend! If you hit something like buildings, trees, hedgehogs etc... it's a quarter... If you hit guns, tanks, other vehicles you are paying a buck! And if you do major damage the owner of the other vehicle has the option of stomping your tank into itty bitty pieces...
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"There are things in Russia which are not as they seem..."
Georgy Konstantinovich Zhukov
Too many tanks, not enough time....