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.
Do anyone else have this problem? I have tried every survey in Gamehag but everytime it says something like "Sorry, there are no more surveys left." or "Sorry, you are not eligible for this survey.". I am yet to complete a single survey.