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.
Revisit the place where you left Lola.
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.
Listen to Carla's whole story.
Sample the Marillo de Oro.
Try to convince Verago to help you out.
Catch up on how the pigeons are doing.
Try to convince Aitor to take you down to the wine cellar.
Visit with Maximino.
Talk to Membrillo about why he's still here.
Talk to the worker bees about playing the game.
Have Olivia recite one of your poems.
Look at the moon.
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.
Ask Glottis about the tree farm.
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.
Get the balloon twister to pop a balloon.
Use the hole punch.
Talk to Eva about how she got stuck here.
Play the whole game with tank controls. Tim demanded this achievement.
Try to intimidate the pigeons.
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.
Play with the radio.
Spend four years in the Eighth Underworld.
Talk to Glottis about cravings.