Here is the full list of all 25 Adios achievements. It takes around 1-2 hours to unlock all of the achievements on Windows.
Ensure the pigs are well fed.
Work harder, not smarter.
Work smarter, not harder.
Work just as hard as he does.
Win at horseshoes.
Be a good host.
A drink to remind him of his baseball days.
Better than being shot.
Start the car.
Monkey see, monkey do.
Perfect aim.
Title drop.
Cut a phone call short.
Get a busy signal.
Catch your nemesis.
Cook an American specialty.
Cook a dish you learned to make in the war.
Cook a dish a farmer would like.
Waste not, want not.
Complete the story.
We're all in the mood for a melody.
Dabble in vinyl.
Dabble in tapes.
Listen to every record, one last time.
Listen to every tape, one last time.