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.
QGNC6-GCT46-CCVM# ;
Just replace the # with the missing letter.
One key from the recent giveaway for the one who wasn't in time to take it. I already have this game, so I'll be happy to share a spare key with you. Stay safe! :)