Here is the full list of all 29 The Wild at Heart achievements.
Purchase all health upgrades.
Complete every beastie bounty from Toothpicks.
Completely fill out the Grove Trove, finding every last missing treasure.
Safely return all of Litterbox's cats to the Grove.
Break a crystal with Barblings without throwing them.
Defeat The Never.
Find all the Lost Journal Pages missing from "Book".
Open the way to Umbral Lethea, using the power of the Greenshield Artifacts.
Learn about every area of the Deep Woods from Toothpicks.
Purchase every Bag Slot upgrade.
Craft every type of Tonic.
Purchase every Gustbuster upgrade.
Purchase every Warden's Way upgrade.
Kick an item directly into the Stash Box.
Take a moment of thoughtful meditation by the waterfall in Heartlands.
Listen to all the juicy gossip that the Twins have to dish.
Hear all of Scrap Heap's tips and tricks.
Fully reveal the maps for every known area of the Deep Woods.
Befriend the 5 main Spriteling types.
Purchase every Spriteling Cap upgrade.
Get 5 or more Spritelings frozen in ice simultaneously.
Make a trade with Rubbish.
Recall all wayward Greenshields to The Grove, uncovering the details of their missions.
Craft every type of Meal.
Build your first camp.
Stay up through the night until daybreak, outside of The Grove.
Reach The Grove, the home of the Greenshields.
Craft your first item.
Successfully run away from home.