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