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.
Does anybody know a Minecraft mod which makes every single mob a lot harder? The normal Minecraft mobs like zombies or skeletons are too easy in my opinion.