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