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