Here is the full list of all 93 Cube & Star: An Arbitrary Love achievements.
Witness the expansion and contraction of a Groper
Raise a Brutal Pyramid with your ominous tones
Raise a Windtrap - the color must flow
Make the world swell with fertility
Reunite the Ancient Cube with the Ancient Star
Meet innumerable stars
Dry the world, spread dust and deadly warmth
Ask the deep questions of a Flying Rod
Bring color to half of the world.
Become the reaper of the Tiny Things
Meet a Strider. Feel inadequate
Reflect upon a Crawling Bisection
Deafen the world with the sound of Tiny Things
Discover Joy
Move straight, move bold - raise a Rook
Interrogate a Gliding Spearhead
Murder a Tiny Thing
Suck the earth dry of gems.
Create a sustainable Tiny Thing population
Joy in bulk: Raise a Skyscraper
Settle in muck. Raise a Shack
Resurrect the Tiny Things
Raise a Flanged Pyramid
Spread color across the lands.
Find the Ancient Star.
Discover Logic
Inspire ten Stalkers.
Stumble upon a diary entry.
Give the world a healthy splash of color.
Meet a lot of stars
Discover Passion
Inspire a Stalker.
Discover Fire.
Meet many stars
Bring a quirky glow to the world
Collect a precious, delicious gem.
Encounter a Stalker.
Unearth a single, ancient Relic.
Stumble upon a Plated Crawler
Begin your journey to trivial wealth.
Unearth a history of the Tiny Things
Meet a Cube.
Thrill to the shuddering of a Scuttler
Become intimate with a Hoarder
Admire the diminishing curve of a Twisted Ratio
Bring a little color to the world
Meet a few stars
Experiment with a few colors.
Meet a Hovering Jitterer
Leave home.
Inform your bounding with advice from a Leaper
Make the world a truly beautiful place.
Uncover every mysterious Relic.
Piece together the entire diary. Feel a little dirty.
Hoard an outrageous fortune. Sigh.
Meet so many stars, you will become numb.
Meet a galaxy of stars.
Meet a universe of stars.
Uncover all Tiny Things histories.
Decrypt the Tiny Things language.
Flood the world with the deathly ink of Tiny Things
Bring inky blackness to the world
Paint the world with darkness
Sweeten the pot with pink
Sink the world into pink
Enflame the passions of the world
Convert the world into a red mess
Inject a jittery uncertainty into the world
Make the world question its purpose
Sprinkle a modest joy over the world
Rain joy down upon the world
Make a swollen and fertile world
Imbue the world with an optimistic outlook
Twist the world into optimistic denial
Crush the world under pensive agony
Bend the world to silent reflection
Introduce utility, pride, purple
Twist the world beneath flamboyant pragmatism
Spread mud, earth and primal urges
Trigger the rise of the primal geometry
Create a dusty utopia.
Spread the white menace
Burn the eyes of unbelievers with white glory.
Sink the world into strange, rich nausea
Soak the world in oil and bile.
Raise a luminous Dome
Pierce the ground with a Jut
Become the savior of the spores: Raise a Mushroom.
Celebrate stern design by raising a Pagoda
Invoke the anguish of a thousand souls and raise a Pyramid.
Raise the ominous shadow of life; raise a Tombstone
Raise a Tower and acknowledge that glory is unattainable
Create a pastural mise en scene - raise a Windmill