Thanks for the translation! I played this game a while back and it definitely had a very unique premise that both rewarded yet punished exploration, so it was fun trying to figure out how to solve the puzzles more efficiently every run. It's almost rogue-like in a way, especially when you unlock hard mode.
I was quite invested and I think I got all the endings. Here's part 1 of my playthrough for anyone interested:
I'm looking forward to the full Mushtopia EX translation! I believe the Kinoko-Nun remake is also in development, so I'm excited for that too. Hopefully, it gets an English version!