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