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