[mahmoudhossam]

Rocksmith is basically guitar tabs on steroids, and it's been getting content for almost 7 years until they finally stopped a few months ago.

[Aengeuad]

Should be noted that they stopped working on DLC to focus on what will probably be a sequel.

https://theriffrepeater.com/rocksmith-announces-new-rocksmit...

[bjelkeman-again]

It has a lot of custom made content by volunteers here. http://customsforge.com/