All of the Grumpuses survive.

Complete the adventure at Broken Tooth.

Catch 100 unique species of Bugsnax.

Defeat all of the Legendary Bugsnax.

Fully furnish your hut.

Changed into the Festive Fellow Outfit.

Completed the Final Chapter.

Completed Chapter 4.

Completed all matches with a Platinum rank.

Unlocked the Masters Circuit in Pocket Circuit.

Watch all of Lizbert's video diaries.

Transform a Grumpus with Scoopy, Banopper, and Cheery.

Solve the secret of the lava cave, or the secret of the dunes.