This looks like a scam : r/humblebundles

Kids Humble Bundle

Humble Wallet FAQ – Humble Bundle

What is Humble Bundle's returns and exchanges policy? — Knoji

Humble Choice - Payment information – Humble Bundle

Steam refunds problem.

Refund Me If You Can Steam Charts & Stats

Game Refunding Guide: How to Refund Games on Steam?

Humble Choice - Manage Your Membership – Humble Bundle

Humble Bundle will start capping charitable donations again

Humble Bundle - It's August's content drop for Humble Choice! Step right up and choose from all these games: 🎮 Vampyr 🎮 Hello Neighbor or Hello Neighbor Hide and Seek Collection 🎮