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 sent a screenshot of my character's profile and sent it for verification. 2 days later, it got rejected and says, "It seems like you haven't registered a new account in the game." Which confused me, so I opened up LOA and I'm back at the character