I got this referral from Refzo. https://refzo.com/humble-bundle-referral
Direct Share Using Links
If you refer a friend for Humble Monthly subscription (12$ - lots of free games) then you will get $8 credit.
How to use
* INVITE FRIENDS
Share your unique referral link with friends via e-mail, Twitter, Facebook, carrier pigeon, or whatever you prefer. You can refer up to a total of 30 friends.
* THEY SUBSCRIBE
For a friend to sign up with your referral link, they'll just need to be a brand-new subscriber with a Humble account. The rest is easy.
* YOU GET CREDIT
You will automatically receive US$8 in Humble Wallet credit for every new subscriber you refer. You can spend Humble Wallet credit on awesome stuff in the Humble Store.
In case main referral dosen't work, try one of these :)
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