Complete the indicated task to unlock the achievement.

Achievement	How to unlock
9 Lives and 8 Knives	Defeat the Buried Beast.
A Better Bucket	Upgrade your Airship.
A Little Stronger	Collect an Upgrade.
A Sky Tail	Defeat MechaRat.
A Swampy Situation	Defeat Swamp Frog.
All Mapped Out	Buy Upgrade Markers.
All in a Row	Complete Boss Rush.
An Old Friend	Visit the Forgotten Grave's Spirit.
Back to Life	Reverse the Stone Witch's Curse.
Behind the Mask	Defeat GutGhoul.
Boney Battle	Defeat BoneGolem.
Burning Bridges	Defeat FilthPest.
Can't Touch This	Beat a Boss With Full Health.
Coming to Grips	Defeat GrappleBot.
Exterminator	Defeat Defender Unit.
Feeling Stronger	Upgrade your Health.
Fully Equipped	Collect all sixty Upgrades.
Getting Thirsty	Find a hidden nook.
Grave Danger	Defeat the Forgotten Grave.
Halfway There	Collect thirty Upgrades.
Keeping Up with Friends	Open a Post Box.
Loving the Rain	Find both hiding spots in Rainy Plains.
Make it out Alive	Complete Boss Rush Without Dying.
Paying Your Dues	Open All five Paid Gates.
Pins in the Map	Buy Map Markers.
Pretty Tough!	Collect ten Upgrades.
Robot Rampage	Defeat Rogue Bot.
Root of Evil	Defeat Grave Crawler.
Sharper Arrows	Upgrade your Arrow Strength.
Sharpest Arrows	Reach an Arrow Strength of 10.
Shrine Bright	Buy the Shrine Shifter.
Something's fishy...	Defeat the Sky Pirates.
Stone Cold Witch	Defeat the Stone Witch.
Strengthened Sword	Upgrade your Sword Strength.
Strongest Sword	Reach a Sword Strength of 10.
The Mystery Beyond	Open the Final Gate.
The Pits	Fall into the Deadly Pit of Recently Escaped Spirits.
The Toughest Warrior	Beat Boss Rush on Hard Difficulty.
Ticking Timebomb	Defeat the ClockMaker.
Top of the Line	Upgrade your Airship Again.
Tour Trouble	Defeat the Tomb of thousand Spirits.
Tulip Tussle	Defeat the Runaway Plant.
Turning a New Leaf	Visit Snoots Shop.
X Marks the Spot	Complete the Scavenger Hunt.