Looking for a cool wad i played onced

[TheWeaponCollector]

I remembered playing a wad once that has multiple wads in it. There was like a hub world with portals and if you go inside you go into that wad. (Like memento mori) 
I tried to search for it but no luck. 

 

[Jimmy]

Sounds like Compendium?

 

 

[TheWeaponCollector]

oh this was what i was looking for, thanks man. 

[Foodles]

If only we had some sort of pinned thread dedicated to finding stuff like this