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 suggest you guys join Gamehag discord. https://discordapp.com/channels/317703287241703424/369876416227180555 Theres alot of good information there. Refer to #gamehag-faq too. I just found out that daily limit comment is 5 times on 5 different threads. Goodluck