For anyone that likes this sort of thing, I found a few videos of old LAN parties from 1998-2001:

https://youtu.be/ch__Ah2iCtQ

https://www.youtube.com/watch?v=9X43soJt7jI

https://www.youtube.com/watch?v=JJ6bzgl6vKA

Also, this is much more recent but really captures the whole LAN party spirit. It's a basically bunch of guys playing sudden-death Minecraft.

https://www.youtube.com/watch?v=rUNF3_hO_no

There are some other LAN games on their channel that are fun as well.