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.
So my main goal as of now is to get a Minecraft key with SG. I remember not many days ago the key was around 19k SG. I checked it out a while ago and it said 20k+ Idk if it changed or my mind's playing tricks, but anyways. If the SG prices DO change, how often does that happen and why?