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