LD 58: The idea is there

We thought about a idea about the game !

So we thought of game.
You are a Mycologist.. an scientist who specializes in mycology the study of fungi.
You get a letter from the major of a small town with an urge for help.
You go there, figure out the mushrooms and what they do.
Keep them in showcases and sell the rest, you can get items to collect them like a shovel and such.
There is a town, forest, farm and mausoleum. The mausoleum is locked.. figure it out and uncover the truth !