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've completed tasks but still I get a message when I try to play the mini-games they say I can't earn gems until I complete a task or contract. Does anyone else have this issue?