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