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.
You can exchange your Soul Gems for Steam Wallet top-ups, game keys, CS:GO Skins and other rewards.
Is there any condition to this? Im close to reaching level 6 and I wonder are there any rules? We are from different cities and he wants to buy an expensive one, wanted to know of i could help him!?