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.
Every games should be respected, not sending hate at it. I know people don't like fortnite because of cheaters and scammers, but that doesn't mean the game is bad, you can still meet friendly people. Do you agree?