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