While stylistically I don't necessarily agree with him all the time, Casey Muratori's Handmade Hero (https://handmadehero.org/ https://handmadehero.org/) is pro

While stylistically I don't necessarily agree with him all the time, Casey Muratori's Handmade Hero (https://handmadehero.org/ https://handmadehero.org/) is probably the most complete resource in terms of videos and access to source code as far as an 'example' goes.