Just got an upgrade on my tank. Spent about 50,000 crystals for all. I wish I had some more for some protective paints. I am sure that I will get there in a few days.. got my hands on a new cheat.
I think this is the best place to get tips and tricks on Tanki Online Cheats. I found it while I was watching video tutorials for tanki. Made a few thousands of crystals for an upgrade on my tank.