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.
Ok, after I've finally gotten to level 3 despite all the rejected tasks I wanted to get a reward. Problem is; instead of the game I get a refund after a few minutes... what gives? How can that be fixed?