However, the Grumpuses regularly argue with each other, and each of them have a specific issue in their life. The journalist proceeds to return the Grumpuses to Snaxburg, one by one. Filbo requests that the journalist help him bring the others back to their makeshift home of Snaxburg so that they might band together and find out what happened to Lizbert.
Intrigued, the journalist makes their way onto the island, only to discover from Lizbert's assistant Filbo Fiddlepie that she has gone missing, and all the other Grumpuses that joined her on her expedition have scattered. Lizbert details the mysterious Snaktooth Island, inhabited by creatures called Bugsnax who are 'half bug and half snack', and encourages the journalist to come to the island and document them for the world to see. Players control a nameless newspaper journalist, who one day receives a film strip in the mail from Lizbert Megafig, a disgraced explorer. Once captured, the Bugsnax can be fed to the local Grumpuses, which transforms their bodies based on the properties of whatever Bugsnak they eat. 100 Bugsnak species are available for capture. Bugsnax is a first-person adventure game, in which players traverse Snaktooth Island trying to find and capture different species of Bugsnax using various contraptions.