No missable achievements (plus 17 unknown)
Sign in with Steam or Xbox to track your progress, and:
Find the Hoe of Doom.
Find the first goldfish.
Get rescued at the last moment by Feagle.
Find John Egg's buried pirate treasure!
Find the Mystic Staff.
Find 70 silver feathers
Start creating your own mod.
Find all the goldfishes.
Find 100 silver feathers.
Defeat Ixal and save Driftmoon.
Find the lost WEGO brick.
Get at least 20 karma points. (21 max)
Tip: a seemingly useless item.
Finish all quests with a good ending.
Have two friends use your mystery box key.
Use all blueprints at least once.
Play whole game on the hardest difficulty.