This is the site of the Kaine Adventure, The Mystery of the Mushroom Malady!.
From the in-game news item: Trees don't just turn into Mushrooms overnight! Something must have caused the mysterious curse that overcame the Fungal Forest, and if something caused it then something must be able to reverse it! Investigator Kaine is on the case!
The official Codename blog for this adventure is here.
You also get the title "Botonist"(sic) and an Achievement for completing the quests.
|Overalls||You can use this as a shirt! Use the Character Customization dialog to equip it.|
|Mushroom House||A Mushroom House for tiny Mushroom People.|
Red, Green, and Blue (the colors in the quest icon have the same order).
|Fungal Sleuth||Help Investigator Kaine solve the Mystery of the Mushroom Malady|