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.
Sometime when u enter a code it tells u its availble from other referer so all u need to do is find that referer website and put ur gamehag username there btw those are the referers/parteners i know for now 1-marvelousga 2-duperornot Plz share any other referers sites