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