According to HB this key is region restricted and does not include some asian countries :( Region Lock is set accordingly

GA for Play a game you won on SG June. Only people listed below are allowed to take part in this GA. Any other participants and I will consider this GA as leaked and it will get deleted :

Rayl1ght - 76561198082976728
cece09 - 76561198140547710
missiloon - 76561198045380427
LeLobster - 76561198044868786
samwise84 - 76561198100730699
monkey66 - 76561197997817642
SpiderDen - 76561198050400321
eminyilmazz - 76561198057745908
Moony1986 - 76561198249392362
Garandro - 76561198039260918
Thexder - 76561197989280149
AndrewBaton - 76561198122157174
Cemitpes - 76561198031807383
CharlesNonsens - 76561197990245665
Kyrrelin - 76561198036297204
krolik7 - 76561197998466535
JaffaCaffa - 76561198047536700
Ninglor03 - 76561198007224367
tidhros - 76561198041890198
ThePonz - 76561197993524388
GarionX - 76561198155137468
PekaGernet - 76561198014114604
Mitsukuni - 76561198036913791
Saucisse - 76561198126303619
SpiderDen - 76561198050400321
Ardiffaz - 76561198071848932
insideone - 76561198106641748
Adel91 - 76561198008051095
melisand - 76561197995790724
RikkiUW - 76561198129771193
malabagaa - 76561198025491317
Domojaxx - 76561198101035178
enigma9q - 76561197995611927
aonrao -76561198082864110
Ad4m - 76561197997125483
Alvin04 - 76561198296872531
Aldowuj - 76561198441630820
Sylom - 76561198028338018
digitaldictator - 76561198025473646
mousewithbeer
RayOfLight3 - 76561198052900321
BlueLightning42 - 76561198080678402
Syirian - 76561198076433788
Charlie22 - 76561198119519665
Arcsurvivor - 76561198107078391
roflanWozmak - 76561198076853598
gangnamstyle - 76561198012679672
benia95 - 76561198026584807
AleNofx - 76561197994994341
Enkabard - 76561198007756842
Khayta - 76561198101776626
PeterShepard - 76561198064039782
Tristar - 76561197982136630
Janediel - 76561198105475732
cynnix - 76561197975164603
Timobkg - 76561197970625493
ihcnab - 76561198046967467
Aethyna - 76561198172691650
Adzik - 76561198082905934
Noxco - 76561198047132749
Evilblacksheep - 76561197996555572
Brightboy - 76561198343787461
Kokkol -76561198128535425
talgaby - 76561198042831386
Blando - 76561198116517331
quijote3000 - 76561198014144429