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.
Can it be everything like chest problems or just general problems, like if it can be a problems (buggs), which have just you or few others ? Or it need big bugg which has many users ?