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.
is your level also going down for no reason i can't stay on level 3 for "disgraceful behaviour" but i wasnt even using this at the time