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.
Bee swarm simulator(bss) is very good game you need to hatch bees and make honey you can buy stufs to make more honey and have more bees.You can even buy bee called bear bee whic will help you alot.If you just start to play you can use some very good codes.