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.
I downloaded rise of kingdoms through this app link and I did the quest, which was to get the castle to lvl11 and buy a pack, I did it but I did not get the soul gems, it says that the quest is auto verified. What do I do?