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.
Making sure that your comment is always related to the article you are commenting on is a big part of the commenting compartment, as spamming can lead to your comment being taken down.