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