The phrase "to a whole new level" means to take something that already exists and improve it or elevate it to a higher standard, making it better than before. Full definition
These are just a few fun ways to take your family game night to whole new levels of fun. (ourfamilyworld.com)
This game really took the shooter genre to whole new levels by offering one of the most immersive and enjoyable shooters of that generation of video games. (darkstation.com)
I love banana and almond butter as it is, but baked sounds like it takes this treat whole new level. (fedandfit.com)