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 normally filled out surveys for a long time until the end of one survey, which I ended up refreshing many times because it didn't give me a reward. Then the error 500 appeared after that. At first it allowed me to see settings and privacy, but now not even that, let alone history and surveys. Every day one and the same error 500. I asked their company about it, they said it was a problem with the server and they couldn't help me. I invested a lot of money in Gamehag. I hope they will fix it after some time. :-(