To quote them directly

... it will not be possible to offer refunds for Ultimate Edition buyers.

we will compensate Ultimate Edition holders by adding 3 Creator Packs and 3 Radio Stations which, together, sum up to a value of USD 39.99.

translated: We are sorry you did not like our fart gas that we pretended was gold. Unfortunately we cannot refund you because we just can't ok stop asking questions. Here are 3 polished turds and some mp3 files that we have valued to be worth 40 dollars as a reward for your loyalty!