Here is the full list of all 47 Grim Fandango Remastered achievements. It takes around 8-10 hours to unlock all of the achievements on Windows.
Look at the moon.
Have Olivia recite one of your poems.
Sample the Marillo de Oro.
Catch up on how the pigeons are doing.
Talk to the worker bees about playing the game.
Ask Lupe about her organizational system.
Talk to Glottis about leaving.
Try to get a passport from Chowchilla Charlie.
Spend a year in the Eighth Underworld.
Ask Velasco about his eye patch.
Check your job qualifications with Celso.
Ask Glottis about the tree farm.
Try to intimidate the pigeons.
Try to guess Domino's password a few times.
Receive a message from Eva.
Learn of a nefarious plot.
Try to dig up some dirt on Meche.
Talk to Brennis about how he got to the machine.
Scare the living a few times.
Talk to Eva about how she got stuck here.
Talk to Glottis about cravings.
Get the balloon twister to pop a balloon.
Use the hole punch.
Play the whole game with tank controls. Tim demanded this achievement.
Listen to Carla's whole story.
Talk to Membrillo about why he's still here.
Visit with Maximino.
Try to convince Verago to help you out.
Try to convince Aitor to take you down to the wine cellar.
Have Glottis sing you the rusty anchor song.
Chant with the bees.
Spend two years in the Eighth Underworld.
Talk to Chepito about how long he's been down here.
Make the angelitos cry.
Try to explain to Meche.
Get Domino to explain the racket to you.
Talk to Chepito about his bartering tactics.
Try to beat Domino in a fair fight.
Spend three years in the Eighth Underwold.
See Chepito on his way.
Hold to your commitments.
See Bruno on his way.
Meet the mechanics.
Revisit the place where you left Lola.
Crack a joke.
Play with the radio.
Spend four years in the Eighth Underworld.