Advertising = contract, money changes hands = contract. If you have no knowledge of the law kindly ****.
It doesn't matter if its a game or a finger painting. The fact is they said they would do something they haven't thus breach. Idiots can kindly wait outside the thread.
I will explain this slowly for you.
Your position is predicated (look it up) on one word.
May is not contractually binding in any jurisdiction in the world.
You MAY receive, vs you WILL receive.