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.
If you want to get Robux but gamehag still can't give you your robux then i have an idea. basically all you need to do is get a Prepaid visa card from Gamehag store then spend it on robux. genius right? hope this helped