Here is the full list of all 24 Stray achievements. It takes around 12-15 hours to unlock all of the achievements on Windows.
Sleep for more than one hour.
Collect all badges.
Complete the game and open the city.
Gather all B-12 memories.
Scratch in every chapter.
Go to jail.
Scratch the vinyl in the club.
Go through Midtown without being detected by the Sentinels.
Reach Midtown.
Nuzzle up against 5 robots.
Bring all the music sheets to Morusque.
Try to play mahjong with the robots.
Jump 500 times.
Browse through all of the TV channels.
Wear the paper bag.
Dunk the basketball.
Have B-12 translate a robot.
Meet B-12.
Die 9 times.
Fall inside the city.
Meow 100 times.
Complete the first Zurk pursuit without being caught.
Complete the Sewers without killing any Zurks.
Complete the game in less than 2 hours.