If you loved Super Mario Brothers: Great Mission to Rescue Princess Peach, try DS Anime Soushuuhen '98
A bridge between a film you've already seen and one most people haven't. DS Anime Soushuuhen '98 has roughly 6.0× fewer votes than Super Mario Brothers: Great Mission to Rescue Princess Peach — it's a deeper cut, not a mainstream recommendation. Here's what they share, and what the second one does that the first one doesn't.

Super Mario Brothers: Great Mission to Rescue Princess Peach

DS Anime Soushuuhen '98
What they share
Theyboth carry the playful mood tag, and they sit in Animation / Comedy / Fantasy territory. If that's the register that drew you to Super Mario Brothers: Great Mission to Rescue Princess Peach, the second film will land in a comparable space — through a different lens.
What DS Anime Soushuuhen '98 is
Apparently someone thought anime fans needed more chaos. Various video game characters collide in short skits. It achieves its goal of brief, silly fun.