Here is the full list of all 36 Crashlands achievements.
Finally Defeat Hewgodooko.
Craft 10,000 floors.
Build THE GONG.
Defeat 100 Epic Creatures.
Defeat IHO.
Defeat EMG.
Defeat the Poteti.
Set foot in the Tundra.
Defeat Hewgodooko in the Bawg.
Defeat Toomah.
Craft 5 legendary items.
Craft 500 walls.
Wear a full set of excellent (or better).
Defeat the Ynnix.
Craft 1,000 floors.
Defeat Jessica.
Defeat 100 Powerful Creatures.
Defeat 1000 Creatures.
Create 15 taxidermied creatures.
Set foot in the Bawg.
Defeat Hewgodooko in the Savannah.
Defeat Baary.
Defeat Blockstock.
Craft 100 walls.
Defeat the Baconweed Fairy.
Craft 100 floors.
Defeat 100 creatures.
Craft a legendary item.
Beat the game in Challenge Mode
Beat the game on Insane Mode
Beat the first boss in hardcore mode
Get to Bawg in hardcore mode
Get to Tundra hardcore mode
Beat the hardcore mode
Beat the hardcore mode in challenge difficulty
Beat the hardcore mode in insane difficulty