You buy it, or you earn it by playing challenges. The max you can get from all the challenges combined is 57 QC.
I am fairly certain you cannot design your own plays on quickhit. You can, however, buy them, using QC or CP in the pro-shop.
well quickhit football
i donnou
its sackhappy that is it
i completley do not know
There are no cheat codes
yes it works well and is a fun game to play
coolkids11
QBSACKIT12
As of Jan 2012, you can get 3250 QC.
There are so many sites that offer football games. Some of the best free sites with good variety are Miniclip, Candystand, and Shockwave. Quickhit offers a free online simulation where your cousin can coach his own team.