Play games
Choose the game that interests you and play itfor free.
Complete the quests
Every game has some quests for which you will receive Soul Gems.
Receive rewards
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
It says on the store page that it takes up to 24 hours, but when I asked Misty- they said up to 70 hours. They also said it can take up to a month due to the terms of the website. Considering that I have spent a constant couple of weeks earning gems and money for Gamehag, it sucks to see such a long wait time.