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.
and while we're at it, is there anything the g55s can do that the g56 can't? I know it has a better engine but is it heavier? does the plane frame change at all?