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