Here is the full list of all 25 Unpacking achievements worth 1,000 gamerscore. It takes around 1-2 hours to unlock all of the achievements on Xbox One.
Unpacked 2018.
Built a tower out of baby blocks.
Put the tiger and pig side by side.
Unpacked 2015.
Found a place for every plant.
Unpacked 2013.
Set the time on the microwave.
Wrote an equation with fridge magnets.
Unpacked 2012.
Unpacked 2010.
Tidied up his underwear drawer.
Unpacked 2007.
Unpacked 2004
Turned on a music player.
Unpacked 1997.
Found your camera.
Solved the cube.
Made the mannequin dab.
Put the cookie jar out of reach.
Put an electronic item somewhere dangerous.
Turned on a game console.
Found a head to wear the hat.
Placed all the coffee-making equipment on the counter.
Rescued a forgotten poster.
Flushed every toilet.