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 have tried to upload the picture but it wont accept it and I get this error. Refreshing the page/ deleting cache-cookies / trying on a different browser, none of the above work. I had no problem uploading a picture for a different game but when I try to do on this one I get the error, any other fixes?