Yay, welcome to the new hires! Awesome stuff. Maybe Abby will convince me to finally play my copy of Katamari Damacy I got some years back and have never touched.
Hey, you're making a good dent in your backlog! Consider me jealous.
I played through The Unfinished Swan earlier this year, and while the game does switch up some of its mechanics in later levels, to varying success, the opening areas are where it shines best. So you probably don't need any more for now.
I also need to try out Hohokum--got it from PS+ as well--though it perhaps sounds a little too aimless.
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