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.
What about possibility to edit and send articles for moderation again? Currently when you get decline based on bad grammar you need to copy and edit. It would be better to edit wrong article and send for approval again.