Battle Tanks game length.

[GooglyBoogly]

which places the attacking team behind if they are required to buy an item for a specific purpose

This is a problem I see often.
People seem to forget that it doesn't matter how much your tank is worth, or what items you carry - if you have won the game.
There is nothing wrong with selling some standard dps to get those siege packs up, and end the game - who cares if they get an extra three kills? Money is of no use to them if they are dead.

I have had numerous games, where I have had to sell some items for sieging equipment and factories, and - as long as your allies are paying attention, it is totally worth it.

It should also be noted that usually the attacker has taken down a few towers belonging to the defender, this effectively reduces the 'cost' of the siege items, since you get some fast, extra gold from the additional buildings destroyed.

Re: poll. 15 mins is too short a variance, at least in the games I have played. The times seem to vary by 30 mins, or +/- 15min.
Games should take from 30-60mins, however the odd 90mins+ games are much more common than the very short 20min or less games