Quote: "curious license. link?"
It is only with who made the assets, Not all of them, but yes, sure.
You have to ask them before hand.
2. FREEBIE PRODUCTS
2.1 CAPABILITIES
2.1.1 You are permitted to use the resources in any number of personal and commercial projects for yourself or a client.
2.1.2 You can modify the resources according to your requirements and include them into works such as game projects, elements for websites, applications, printed materials and others;
2.1.3 You can sell and distribute games with our assets.
This is only with free stuff and you should ask just in case.
I will post a link so others can get there content, I have a lot from here.
https://craftpix.net/