They uploaded a documentary about creating the game 5 hours ago.
https://www.youtube.com/watch?v=TbZ3HzvFEto&ab_channel=Valve

Hey man it’s how I got into my position where I’m at now, all self taught. I started just as help desks, then the place I worked for had an opening and a Lab technology specialist, which I knew nothing about anything in that field. But in the interview talking about all my home lab projects and goals and just general love for tech. Next thing I knew a week later got a nice pay bump with a promise in a way bigger one if I make it a year. Well now I design PCB and work of very custom hardware and software and it’s all still mine blowing to me.

This brand does not force you to use their service. so you can just run it as a self hosted device. https://www.amazon.com/dp/B07ZJS3L5Y/?coliid=I8SLH70CY9YEK&colid=29UXLJ80XOR0U&psc=0&ref_=list_c_wl_gv_ov_lig_pi_dp