Buy Tokens with Credits, use these Tokens to roll credits for a maximum reward of 999 credits. redeem credits through Roll Credits by getting your redeem key (it will show you) or you can look in the database. Then, post your redeem key in comment section and owner will go through one of the projects on your profile and donate the required amount to you. If the Total Tokens Bought hits 1,000 then the top 3 contributors can redeem codes for 250 credits and 5 redeem codes that anyone can redeem.