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.
Naruto Online is actually a pretty good game. There, I said it, it's an extremely competent game, is incredibly easy to hop in and do mission after mission and has every ounce of charm that the show had. And you'll see familiar plot points, characters and scenes from the show as well.