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 think I want to aim for CS:GO as my next reward here on Gamehag, but is it still a good game? The pro of having this game, would be that I'd be able to aim for weapon skins on Gamehag, which would be a much cheaper reward to aim for here, rather than those out of reach Triple A games.