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 watched some videos that says that this game is good, but also a lot videos that this game is very bad optimized and I'm curious: Is this game worth to play?