I'm completely lost for words... PIZZA PLANET is absolutely incredible (especially for a game jam submission)!
You all perfectly captured the distinctly slick style of Game Boy Advance games from the early 2000's! (Similar games that come to mind are Wario Land 4 and Sonic Rush.) The amazingly charming graphics and stellar soundtrack fit in perfectly with games from that time period while also being their own thing entirely! The 1990's/2000's iconography, such as the floppy disks, skateboards, and greasy pizza, immediately made me nostalgic this game, even though it wasn't released back then! lol. Speaking of graphics, the menus perfectly blend straightforward communication with a dynamic Persona-esque flair! (I'm a stickler for good UI design, and you guys nailed it!) I also really liked the funny alien invasion premise; it's simple, but it felt like it could have been used for an episode of a show on 4Kids or similar networks.
Needless to say, I loved playing through PIZZA PLANET. As a lot of other people were saying in their reviews, I think your game definitely deserves to win the game jam! :D
I look forward to seeing if y'all decide to continue developing the idea even further...