OG-Steam VS node-steam-user

But it's only available in form of skin: https://github.com/ungstein/OG-Steam and can only be used with VGUI.

i mean, steam still uses vgui where it doesn't use html/css/js right? i don't think i'd call it a leftover when it's the same exact code with a new coat of paint (or an old coat of paint)

You can.

im here still with the original colors via og steam

It appears someone has a classic skin that might work, haven’t tried myself - https://github.com/ungstein/OG-Steam

Link for the Lazy.

You might appreciate this Classic Steam Theme

https://github.com/DoctorMcKay/node-steam-user is a popular NodeJS library for writing steam bots. This could provide useful, but iirc the method this uses for login will only allow you to have one login session at a time. Steam will automatically kick you out with a "logged in elsewhere" error.

https://github.com/DoctorMcKay/node-steam-user/blob/master/examples/databasedownloader.js - then you can follow the code here to list the game info thanks :D

Depends on what language you're using for JavaScript I think the defacto is anything Doctor McKay makes https://github.com/DoctorMcKay/node-steam-user, https://github.com/DoctorMcKay/node-steam-user etc. If you use python, I'd recommend https://github.com/Gobot1234/steam.py (I'm totally not biased). If you use C# then SteamKit is always a good option. If you use rust then SteamHelper looks interesting although doesn't support too many trading bot features

I don't know any direct resources for learning how the Steam network works, smart people figured it out over many years and lots of reverse engineering. I just know a few programming libraries which you can use to interact with it, the most popular two being Steam-User (JavaScript) and SteamKit2 (.NET).

One way you can do this, is by using the "steam user" node module node-steam-user. to play the games. And use the api call to Steam_Web_API to get the playtime of each of the games the account have.