I have played this game and it was a great experience while playing it. Whenever I get enough stars it says "new chopper unlocked". But at the time of making an selection of a mission it only allows me to make use of a default helicopter, and the amount of stars to unlock the next one keeps lifting . to explain further, consider an example of the first helicopter was supposed to unlock at 25 stars. one time I reached 25 stars it currently says it unlock at 35 stars. And at the time of reaching 35 it says 45. So are there any suggestions regarding this case. Please let me know.
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