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.
As the player progresses onward, the story goes on to become way deeper. Each of the items, armor, collectibles, power-ups etc. have their own background and story and has a bit of foundation and root to its reality.