Bunch of Best GamePlay Videos

I find out a collection of some best game demo videos which are helpful of marketers and game designers. Have a look on these gameplay videos https://www.buildbox.com/forum/index.php?threads/steampunksky-promo-video-demo-ready.2813/

 

What do you think about these videos?
Is these videos are Worthy to watch ?

 

Not sure what your getting at.
There game play videos of a game being made by one of the community.
It is a nice looking game though.
But not sure what your on about with marketing.
Anyway its up to you to decide on whether their helpful or not.
have a great day.