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.
I know that it is not good LOL there is always someone better than you in this game there are many people who excel in playing, they play incredible and do not take away merit for that, is to be admired