It looks like hypercheats are on IPS and have a built in online shop though for selling the cheats, looks like it could use IPS commerce.
Perfect aim could be completely custom or something else, not sure.
Unfortunately there's no native ecommerce tools for XF. The only thing you can sell easily out of the box is forum user/membership upgrades on the site, which may or may not work for your needs.
There are a few 3rd party shops you can install though.
If you want to sell software, this should work well for you
This add-on is not affiliated with XenForo Ltd. XR Product Manager is a fully featured product/license manager add-on for XenForo which will allow you to sell products to your members. Since XF2, payments can be made using any of the payment...
xenforo.com
Otherwise, there are some other shop options if you search in the resource manager.
DragonByte Shop is the most advanced shop mod to date. Giving you unprecedented control over what items you can sell, DragonByte Shop is the perfect mod to go along with virtually any points modification. With features like overriding any...
Description RM Marketplace allows you and/or your users to sell resources from the resource manager, like in a marketplace ! NOW supporting xF Payment profiles since V5.0.0. Supports three types of products : Digital products (license based)...