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.
man i remember 1 year ago that i used to play this game everyday and my fingers would be literally burning from all that tapping and clicking and also my concentration would be crazy sometimes my head would even hurt (i would get a headache) from playing too much