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 Played ot once when it came f2p and i saw just hacket who soam some cheat engine what you can buy because its the best cheat for you...He just shot to floor and kill entire team... That means they have zero anticheat with what you must run the game to dont allow cheat because it will scan your pc...