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