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.
I was pondering over this a while ago gamehag is a great place to get things for free/completing easy tasks but what does gamehag get for it I mean they do get money from the appzone feature but what are all the other benifits for them?