Gameplay Walkthrough...

Complete the indicated task to unlock the achievement.

Achievement	How to unlock
Attack Amasser	Collect all attack trinkets.
Bartender	Try to jump over the bar in the Port Cutlass Tavern.
Burning Bridges	Defeat Trollbert.
Change Your Destiny	Redistribute your level-up points.
Decor Dynamo	Collect all pieces of office decor.
Demolished	Defeat the Three Little Pigs.
Duel of the Mates	Defeat Captain Silver.
Elder Abuse	Defeat Grandma.
Enemy Expert	Complete the bestiary.
Executive Execution	Complete Boss Rush.
Fashion Fiend	Collect all outfits.
Forging Ahead	Forge with all Ember Stones.
Fumbling Tower	Defeat the Three Blind Mice.
Godsmacked	Defeat Cthulhu.
Goodnight Moon	Defeat Mr. Moon.
Gullible	Give the shady unicorn in the Cafeteria 100 coins.
Howlin' Hospitality	Rest in the tavern at Happy Howl Hollow.
Ink Explorer	Collect all ink bottles.
Leave No Trace	Put out the campfire the team made on Glacius-IX.
Meeting Adjourned	Defeat the Board.
Not So Lonely At the Top	Defeat the CEO with assistance from an ally in each world.
Overachiever	Complete the game on Hard Mode from start to finish.
Personal Space	Try to go behind the counter at the Innsbeak Shop.
Sun Gem Grabber	Collect all sun gems.
Swap Chain	Complete the trading sequence.
Tainted Meat	Defeat Duxter.
Top Performer	Complete the Stairs of Success.
You're Fired	Defeat the CEO.