Felix The Toy
Check the games you don't own: https://steamgroundcheck.herokuapp.com/
If you'd like to buy several games or keys with PayPal just send your games list at firstname.lastname@example.org. We'll message you back with the link to buy. A fixed 0.3$ fee will be applied only for the total.
Make-a-bundle section: https://steamground.com/en/wholesale
We've also got a special offer: 50 random Steam keys and 100 random Steam keys! You can buy cheap Steam keys here.