How many stars are required for tier 50 of the challenge?

Tier 46-49 of the challenge are empty-show no rewards- is this a bug or that's how it is

the new freezing effect is stupid. what is the point of freeze if you cant freeze enemy hulls? and the turret is not turning at all. what is the logic behind that :3 bring back the old effect. now everyone can escape easily from the defender cause he just cant get frozen -_-

whats the point of supplies and drug was if you cant use them all 3 together, game becomes boring

stupid upgrade -_- destroying the game cause a kid said 'i cant kill a tank with all 3 supplies activated :'( ' at least make the duration of the cool down 5 sec, not 15 it takes ages -_- drug wars are gone

https://www.youtube.com/watch?v=kmJn-LrGNN0&feature=youtu.be participants: pohos xaris52 JohnakoC

http://postimg.org/image/8wk7bn0kz/ nickname: pohos

is smoky m3 worth buying? (to get lots of kills) insted of using twins or freeze

FIIRE :D

is m2 ricohet worth buying? *someone with experience on rico to answer me

what is the best hull to use with freeze? i want something fast to capture flags without drugging and something with good armor (hornet is too weak for me)

i didnt know...its the first time that i am using the forum sry. ok tank you. no more questions.

i know that, i am just asking if i get exactly the double amount for the same money. just that.

hello guys, i have a question about paying for crystals... i will spend the amount of 41 USD. which means 60.000 crystals + 60.000 for free (=120.000) if tanki online give me the 'x2 buy' option, i will get 240.000 crystals with the same ammount of money? (41 USD) please answer to me.. thnx :)