What Dune video game lets you take part in the world in a realistic way faithful to the books?

I see there is an RTS but does it feel like Dune or just Warcraft? There are a few games on Steam and I don't know which to pick. I own Imperium in board game form so I don't want that one.

Thanks!

I see there is an RTS but does it feel like Dune or just Warcraft? There are a few games on Steam and I don't know which to pick. I own Imperium in board game form so I don't want that one.

Thanks!