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.
Guys you really are bad at confirming the tasks. I have been sending different screenshots with proper description in them with clear text and yet its the second time you reject it without any reason. I spend literally hours to complete the tasks and send the screenshots and at the end I expect a rejection because that's what a BOT decides to say so, Improve it!