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.
The game is a pretty good MMO where you can do quests, kill some enemies, gather around and explore the map, BUT the tasks keeps rejecting you because you apparently “didn’t created a new account”.