What is it?

Here are some of my ideas to make the game better: 1: Add more stages: I was expecting over 50 levels, but there are only 3-4 levels per era with Edo Japan taking the majority. I was thinking they could add the Medieval era and The Future eras in there as well as some unique levels. It was disappointing that there aren't enough size missions. I also want eternal mode for almost every stage. Limiting it to only 3 levels is just stupid. 2: Bring the Rolling LIVE cousins in this game too: I've loved seeing...

https://www.youtube.com/watch?v=9IuTeKaVmZA Once Upon A Katamari Drive is a full OUAK mod that adds back Drive Mode, last seen in Katamari Forever and Touch My Katamari! Can YOU handle the high-speed thrills of Drive? Features: Toggleable - continue playing normally without needing to turn off the mod! Custom graphics & sound, matching the existing OUAK style! New default music from Beautiful Katamari, Katamari Forever, and Touch My Katamari!* Your scores are saved, no matter th...

So how does this work? Can you change the levels music, or is it just something you can listen to in the gallery they show?

If so I might skip this game, or wait for a sale. Playing the "new engine" katamari games is more frustrating than fun with how the ball and bouncing behaviors works against you. Does this take away from the experience?