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