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.
Like do I get XP from each comment or thread or is it more time based like every minute I put a comment I get this number of Xp quite confusing to be honest