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.
Task 3 Rejected - You need to get the reward and use it in the game. I have 200 from tutorials, and 20 wins games. What I have to do with 150 ?