Might be Region locked to EU according to the bundle thread :
https://www.steamgifts.com/discussion/Rm5bO/humble-bundle-deep-silver-2-bundle-region-locked
6 Comments - Last post 16 minutes ago by RCSWE
225 Comments - Last post 18 minutes ago by Fluffster
12 Comments - Last post 37 minutes ago by ewoda
16,661 Comments - Last post 39 minutes ago by Kenruyoh
27 Comments - Last post 1 hour ago by Chris76de
64 Comments - Last post 2 hours ago by Rosayde
2,364 Comments - Last post 5 hours ago by FranckCastle
52 Comments - Last post 4 seconds ago by AceBerg42
36 Comments - Last post 3 minutes ago by Ch1cWolf
9,870 Comments - Last post 9 minutes ago by CurryKingWurst
69 Comments - Last post 34 minutes ago by pepperammi
29,459 Comments - Last post 35 minutes ago by MemT
117 Comments - Last post 40 minutes ago by MayoSlice
46 Comments - Last post 46 minutes ago by ngoclong19
Thank you :)
Comment has been collapsed.
Thank you for the zombies niceguyjon:)
Comment has been collapsed.
Hi winner,
if you can't activate this due to your region please let me know so that i may re-roll
Comment has been collapsed.
It worked for me! Thx. :D
Comment has been collapsed.