I suppose it will never happen anymore and it happened only once since 2013 for 1 week anyways premium cost was raised by 25% at some point
simply buy life time premium if you like the game its just 50$ or translate your language for the game if its not already translated you will save yourself alot and get paid for your work time or invite someone to the game via your profile invitation link if they buy any protocoins in this game you will take 20/25% of what ever they pay i dont remember and you can receive them cash or as protocoins
or ask for sun tsu to become admin again and win pc drop games
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