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.
What the hell is this, I finished the first WarThunder challenge but when I try to finish the second one it says: A multi account has been detected. what does that mean!