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.
So I've completed 3/3 tasks. The first 2 got accepted soon after I posted the picture but for the third one it has been 16 hours since I sent it and it still says that "Your task is waiting for verification". Is this normal? What was your time for verification?