Where can I buy Alien Worlds?

Could you please elaborate on where and how one can purchase Alien Worlds? I've heard about its unique blockchain-based gaming platform and am interested in exploring the possibilities. I understand that cryptocurrency transactions are typically conducted on specialized platforms, but I'm unsure which one offers Alien Worlds for sale. Additionally, I'd appreciate any insights into the process of purchasing, such as the necessary steps, potential fees, and any security measures I should take. Thank you for your assistance in navigating this potentially exciting investment opportunity.