Metro 2033 for (un)lucky ones

Who is first - wins

1) https://www.humblebundle.com/?key=HDuSqWAZMDteMkmy

2) https://www.humblebundle.com/?key=wGWhsNAFqeMpGtvy

3) https://www.humblebundle.com/?key=crsNqkGFS4qyMc38

4) https://www.humblebundle.com/?key=BsFfHaxcsF4Ybhup

5) https://www.humblebundle.com/?key=MqYZPwUqMRPkBXCz

6) https://www.humblebundle.com/?key=6R4ncvABx2Y2mEMT

7) https://www.humblebundle.com/?key=A6qFRNNdSh7avp5S

8) https://www.humblebundle.com/?key=zBTevVpUYbZdfAYv

Good luck.

For those who won't be able to get them, i heard that if you like THQ's or 4A Games' fanpage of facebook you will also get a Metro 2033 key, but not sure if it's right.