Here is the full list of all 10 SquareWorld Unpixeled achievements.
Explore a second planet!
Fly an airship!
Craft a helmet out of 4 different materials
Get level 5 on a tool.
Modify a tool three times on the grindstone.
Harvest 100 fruits from trees!
Research 5 pages of the bestarium.
Research 10 pages of the bestarium.
Research 15 pages of the bestarium.
Research 20 pages of the bestarium.