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