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.
Completed a task a few days ago (getting castle up to lvl 16), but haven't recieved SG or XP. Anyone else in the same situation?